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HOME??MEMBERS? RESEARCH? PHOTOS? LINKS ?
 Chemistry of Natural Products

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Teaching:?

Chemistry of natural products. Biosynthesis of natural products. Advanced organic chemistry. Quimica dos Produtos Naturais I.? Biossíntese dos Produtos Naturais.? Processos e Desenvolvimento.

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Research interests:
Chemistry of natural products. Synthesis and hemisynthesis of natural products. Chemical carcinogenesis. Mechanisms of biologically important reactions. Computational organic chemistry.

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Awards:

Estímulo à Excelência Award - Excelence in R&D, Portuguese Government (Ministerio da Ciência, Inovação e Ensino Superior), 2004.

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Other activities:

Dean of FCT/UNL (2010-2015).

President (2005-2008) and Co-Founder of AMONET - Associação Portuguesa de Mulheres Cientistas. Vice-President (2008-2015).

Elected Member of the Board of Administration of the European Platform of Women Scientists (EPWS), headquaters in Brussels, in representation of AMONET (2007-Brussels, 2011-Budapest, 2013-Essen).

Member of the Editorial Board of the European Journal of Organic Chemistry (1999-2004).

Member of the Editorial Board of Anales de Química, International Edition - Official Journal of the Spanish Royal Society of Chemistry (1996-1998).

President of the Organic Chemistry Division of the Portuguese Chemical Society (2005-2007).

Coordinator of the Master in Quimica Organica Tecnologica.

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Outreach from the programme to teach chemistry to blinds:

"Sinais de Fumo" - Interview of National Geographic - Portugal to Prof. Ana M. Lobo.

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Patents:
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"Fases Estacionarias Quirais Baseadas em Terpenoides", Susana Moiteiro, C. M. M.; Tavares da Rosa, M. R. L. S.;Curto, .M. J. M.; Lobo, A. M. ???
Portuguese Patent Application PT 102878, 28-11-02.

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"Diisocyanates, Diurethanes and Diureides from Abietic Acid", Gigante Carvalheiro, B.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.
European Patent Application EP 92670001.4, 11-2-92 (Germany, France, Great Britain and Italy).

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"Processos para a Obtencao de Novos Derivados de Acidos Resinicos: Diisocianatos, Diuretanos e Diureidos", Gigante Carvalheiro, B.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.
Portuguese Patent Application PT 96748, 11-2-91.

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"Processo para Obtencao de Derivados de Acido Abietico e Composicoes Antimicrobianas desses Derivados", Gigante Carvalheiro, B.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.?

Portuguese Patent Application PT 85433, 28-7-87.

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Oral and Poster Presentations

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Books:

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"Biossíntese de Produtos Naturais", Lobo, A. M., Lourenço, A. M. (Eds.); IST Press, Lisboa, 2007.
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Chapters in Books:

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4. "Biossíntese e Desporto", Lobo, A. M., In "Biossíntese de Produtos Naturais", Lobo, A. M., Lourenço, A. M. (Eds.); IST Press, Lisboa, 2007; cap. 8, p. 245-254.

3. "Metabolitos Derivados do ?cido Xiquímico", Lobo, A. M., Lourenço, A. M., In "Biossíntese de Produtos Naturais", Lobo, A. M., Lourenço, A. M. (Eds.); IST Press, Lisboa, 2007; cap. 5, p. 151-191.

2. "Metabolitos Derivados dos ?cido Acético", Lobo, A. M., Lourenço, A. M., In "Biossíntese de Produtos Naturais", Lobo, A. M., Lourenço, A. M. (Eds.); IST Press, Lisboa, 2007; cap. 3, p. 73-118.

1. "Métodos de Estudo Biossintético", Lobo, A. M. In "Biossíntese de Produtos Naturais", Lobo, A. M., Lourenço, A. M. (Eds.); IST Press, Lisboa, 2007; cap. 1, p. 11-56.
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Movie:

A. M. Lobo: Colaboração na elaboração de guião para episódio em filme sobre ‘Discriminação da Mulher na Ciência’, Vilnius, Lituania, 2013 .

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Publications:

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citations in ISI Web of Knowledge (Journal Citations Reports, 1971- August 2013): 1209

citations/ISI paper: 12.59

h-index: 18

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131

"Chiroptical Properties of Streptorubin B – The Synergy Between Theory and Experiment", Andrade, M. S.; Silva, V. S.; Lourenço, A. M.; Lobo, A. M.; Rzepa, H. S.

Chirality, 2015, 27, 745-751.

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130

"Sonified Infrared Spectra and their Interpretation by Blind and Visually Impaired Students", Pereira, F.; Ponte-e-Sousa, J. C.; Fartaria, R. P. S.; Bonifácio, V. D. B.; Mata, P.; Aires-de-Sousa, J.; Lobo, A. M.

Journal of Chemical Education, 2013, 90, 1028-1035.

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129

"NavMol 2.0: A Molecular Structure Navigator/Editor for Blind and Visually Impaired Users", Fartaria, R. P. S.; Pereira, F.; Bonifácio, V. D. B.; Mata, P; Aires-de-Sousa, J.; Lobo; A. M.
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European Journal of Organic Chemistry, 2013, 1415-1419.

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128

"N-Heteroatom Substitution Effect in 3-Aza-Cope Rearrangements", Gomes, M. J. S.; Pinto, L. F. V.; Glória, P. M. C.; Rzepa, H. S.; Prabhakar, S.; Lobo, A. M.
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CHEMISTRY CENTRAL Journal, 2013, 4, 94.

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127

Phillips, A. M. F.; Lobo, A. M. Changes in the Gender Gap in the European Union: The Case of Women in Science, Engineering and Technology. In Lousada, I., Gonçalves, M. J. (Eds.), Women, Science and Globalization (pp. 179-194). Ed. Minerva, Lisboa, 2012.
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Lousada, I.; Gonçalves, M. J. (Eds.), In Women, Science and Globalization,? Ed. Minerva, Lisboa, 2012, pp. 179-194.

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126

Lobo, A. M., Mulheres e Ciência: a EPWS e as políticas de investigação. In Pinto, T., Alvarez, T., Cruz, I. (Eds.), Mulheres e conhecimento / Women and knowledge (pp. 85-95). Vila Franca de Xira: Associação Portuguesa de Estudos sobre as Mulheres., 2011.
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Pinto, T.; Alvarez, T.; Cruz, I. (Eds.), In Mulheres e conhecimento/Women and knowledge, Associação Portuguesa de Estudos sobre as Mulheres, Vila Franca de Xira, 2011, pp. 85-95.

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125

"O-Substituted N-oxy arylsulfinamides and sulphonamides in Michael Addition", Bonifácio, V. D. B.; Kumar, R. P.; Prabhakar, S.; Lobo, A. M.

Arkivoc, 2011, (x), 266-276.

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124 "MOLinsight: A Web Portal for the Processing of Molecular Structures by Blind Students", Pereira, F.; Aires-de-Sousa, J.; Bonifácio, V. D. B.; Mata, P.; Lobo, A. M.
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Journal of Chemical Education, 2011, 88, 361–362.

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123 "Effects of tryptamine on growth, ultrastructure, and oxidative stress of cyanobacteria and microalgae cultures", Churro, C.; Fernandes, A. S.; Alverca, E.; Sam-Bento, F.; Paulino, S.; Figueira, V.; Bento, A. J. G.; Prabhakar, S.; Lobo, A. M.; Martins, L. L.; Mourato, M. P.; Pereira, P.
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Hydrobiologia, 2010, 649, 195–206.

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122

"Functional Desymmetrization of 1,3-Dioximes for the Obtention of 1,2,3-Hetero Trisubstituted Carbocycles", Figueira, V. B.C. ; Esqué, A. G. ; Varala, R.; González-Bello, C.; Prabhakar, S.; Lobo, A. M.
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Tetrahedron Letters, 2010, 51, 2029-2031.

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121

"Chiral Aziridination of Olefins Using a Chiral Sulfinamide as the Nitrogen Source", Bonifácio,V. D. B.; González-Bello, C.; Rzepa, H. S.; Prabhakar, S.; Lobo, A. M.
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Synlett, 2010, 1, 145–149.

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120

"Thermal Rearrangement of an N-Hydroxy-imidazole Thiocarbamoyl Derivative as a Simple Entry into the 4-Thio-imidazole Motif" Pinto, L. F. V.; Justino, G. C.; Vieira, A. J. S.; Prabhakar, S.; Lobo, A. M.
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Arkivoc, 2010, (v), 17-23.

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119

"A Dramatic Effect of Double Bond Configuration in N-Oxy-3-aza Cope Rearrangements – A simple synthesis of functionalised allenes" Pinto, L. F. V.; Glória, P. M. C.; Gomes, M. J. S.; Rzepa, H. S.; Prabhakar, S.; Lobo, A. M.
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Tetrahedron Letters, 2009, 50, 3446–3449.

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118

"Desenvolvimentos no Ensino da Química a Cegos e Grandes Amblíopes", Pereira, F.; Aires-de-Sousa, J.; Mata, P.; Lobo, A. M.
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Química SPQ, 2009, 112, 7-15.

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117

"Studies in N-amino-3-aza Cope rearrangements", Glória, P. M. C.; Prabhakar, S.; Lobo, A. M.

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Tetrahedron Letters, 2008, 49, 7355-7357.

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116

"Effects of Bacillamide and newly synthesized derivatives on the growth of cyanobacteria and microalgae cultures"
Churro, C.; Alverca, E.; Sam-Bento, F.; Paulino, S.; Figueira, V.; Bento, A. J. G.; Lobo, A. M.; Prabhakar, S.; Calado, A. J.; Pereira, P.
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Journal of Applied Phycology, 2008, 21, 429-442.

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115

"Reaction of Aromatic Nitroso Compounds with Chemical Models of Thiamin Active Aldehyde"
Ferreira, L. M.; Marques, M. M. B.; Glória, P. M. C.; Chaves, H. T.; Franco J.-P. P.; Mourato, I.; Antunes, J.-R. T. ; Rzepa, H. S.; Lobo, A. M.; Prabhakar, S.
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Tetrahedron, 2008, 64, 7759-7770.

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114

"EU 23311 - Mapping the Maze: Getting more Women to the Top in Research", Luxembourg. Office for Official Publications of the European Communities, 2008, ISBN 978-92-79-07618-3 - WIRDEM working group - Widmer, M. (chair); Raudma, T. (rapporteur); Baer, S.; Beales, R.; Bitusikova, A.; Collins, A.; Cheveigné, S.; Diaz, C.; Fink-Hafner, D.; Hartung, B.; Jacobsson, C.; Kahru, A.; Kovacs, E.; Lobo, A. M.; Mingeot-Leclercq, M.-P.; Sihvola, J.; Stratigaki, M.

113

"A synthetic strategy using Witkop’s pyrroloindole for (L)-debromoflustramineB, (D)-ent-debromoflustramineB and(D)-ent-debromoflustramide B", Cardoso, A. S. P.; Marques, M. M. B.; Srinivasan, N.; Prabhakar, S.; Lobo, A. M.
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Tetrahedron, 2007, 63, 10211-10225.

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112

"Palladium(II) mediated aziridination of olefins with bromamine-T as the nitrogen source: scope and mechanism", Antunes, A. M. M.; Bonifácio, V. D. B.; Nascimento, S. C. C.; Lobo, A. M.; Branco, P. S.; Prabhakar, S.
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Tetrahedron, 2007, 63, 7009-7019.

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111

"Neurotoxicity mechanisms of thioether ectasy metabolites", Capela, J. P.; Macedo, C.; Branco, P. S.; Ferreira, L. M.; Lobo, A. M.; ; Fernandes, E.; Remião, F.; Bastos, M. L.; Dirnagl, U.; Meisel, A.; Carvalho, F.
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Neuroscience, 2007, 146, 1743-1757.

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110

"Synthesis and cyclic voltammetry studies of 3,4-methylenedioxymethamphetamine (MDM) human metabolites", Macedo, C.; Branco, P. C.; Ferreira, L. M.; Lobo, A. M.; Capela, J. P.; Fernandes, E.; Bastos, M. L.; Carvalho, F.;
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Journal of Health Science, 2007, 53, 31-42.

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109

"Development of novel brush-type chiral stationary phases based on terpenoid selectors: HPLC evaluation and theoretical investigation of enantioselective binding interactions", Moiteiro, C.; Fonseca, N.; Curto, M. J. M; Tavares, R.; Lobo, A. M.; Ribeiro-Claro, P.; Félix, V.; Drew, M. G. B
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Tetrahedron: Asymmetry, 2006, 17, 3248-3264.

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108

"Quimica Organica - quo vadis?" Lobo, A. M.
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Quimica - Boletim da Sociedade Portuguesa de Química, 2006, 100, 34-36.?

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107

"N-Hydroxy indoles as flexible substrates in rearrangements - a novel reaction with activated triple bonds", Duarte, M. P.; Mendonça, R. F.; Prabhakar, S; Lobo, A. M.
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Tetrahedron Letters, 2006, 47, 1173-1176.

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106

"Geographical classification of crude oils by Kohonen self-organizing maps?", Fonseca, A. M.; Biscaya, J. L.; Aires-de-Sousa, J.; Lobo, A. M.
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Analytica Chimica Acta, 2006, 556, 374-382.

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105

"Neurotoxicity of Ecstasy Metabolites in Rat Cortical Neurons, and Influence of Hyperthermia", Capela, J. P.; Meisel, A.; Abreu, A. R.; Branco, P. S.; Ferreira, L. M. F.; Lobo, A. M.; Bastos, M. L.; Carvalho, F.
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Journal of Pharmacology and Experimental Therapeutics, 2006, 316, 53-61.

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104

"A formal synthesis of (±)-physostigmine via 3,3-rearrangement of a bis-enamine ", Santos, P.F.; Srinivasan, N.; Almeida, P.S;? Lobo, A.M.; Prabhakar, S.
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Tetrahedron, 2005, 61, 9147-9156.

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103

"The Cahn, Ingold and Prelog System: eliminating ambiguity in the comparison of diastereomorphic and enantiomorphic ligands", Mata, P.; Lobo, A.M.

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Tetrahedron: Asymmetry, 2005, 16, 2215-2223.

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102?

"Synthesis of the algicide bacillamide", Figueira, B.C.V.; Prabhakar, S.; Lobo, A.M.

Arkivoc, 2005, (xiv), 14-19.

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101?

"A new approach to N-protected staurosporinones", Santos, M.M.M.; Lobo, A.M.; Prabhakar, S.; Marques, M.M.B.
Tetrahedron Letters, 2004, 45, 2347-2349.
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100?

"A Mechanistic Reinvestigation of tris-(p-Bromophenyl)aminium Hexachloroantimonate Induced Deketalization",
Glória, P.M.C.; Prabhakar, S.; Lobo, A.M.
Bull. Korean Chem. Soc., 2003, 24, 1841-1842.
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99?

"SbCl5–wet acetonitrile: a new system for chemoselective O-desilylation", Gloria, P.M.C.;? Prabhakar, S.; Lobo, A. M.; Gomes, M.J. (in part)
Tetrahedron Letters, 2003, 44, 8819-8821.
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98?

"Synthesis of bioactive indole alkaloids", Lobo, A. M.; Prabhakar, S.; Branco, P. S.; Cardoso, A. S.; Gaudencio, S. P. ; Marques, M. M. B.; Santos, M. M. M.; Santos, P. F.;
Acta Phytotherapeutica, 2003, 2, 16-23.

97?

"A short synthesis of staurosporinone (k-252c)", Gaudencio, S.; Santos, M. M. M.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 2003, 44, 2577-2578.
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96

"3,3-Sigmatropic Rearrangements Involving N-O Bond Cleavage of Enehydroxylamines Derivatives", Reis, L. V.; Lobo, A. M.; Prabhakar, S.; Duarte, M. P.
European Journal of Organic Chemistry, 2003, 1, 190-208.

95

"Synthetic, Spectroscopic and X-ray Crystallographic Studies of [1,2,7,8]tetrathiacyclododecino[4,3-b:5,6-b’:10,9-b’’:11,12-b’’’]tetraindoles", Janosik, T.; Bergman, J.; Romero, I.; Stensland, B.; Stalhandske, C.; Marques, M. M. M.; Santos, M. M. M.; Lobo, A. M.; Prabhakar, S.; Duarte, M. F.; Florencio, M. H.
European Journal of Organic Chemistry, 2002, 8, 1392-1396.

94

"Studies in 3-oxy-assisted 3-aza Cope rearrangements", Gomes, M. J. S.; Sharma, L.; Prabhakar, S.; Lobo, A. M.; Gloria, P. M. C.
Journal of the Chemical Society, Chemical Communications, 2002, 746-747.

93

"Intramolecular Addition of Acyldiazenecarboxylates onto Double Bonds in the Synthesis of heterocycles", Prata, J. V.; Clemente, D.T.; Lobo, A. M.; Prabhakar, S.; Mourato, I.; Branco, P.
Journal of the Chemical Society, Perkin 1, 2002, 513-528.

92

"Chiral Synthesis of N-Aryl Aziridines", Aires-de-Sousa, J.; Prabhakar, S.; Lobo, A. M.; Rosa, A. M.; Gomes, M. J. S.; Corvo, M. C. (in part); Williams, D. J.; White, A. J. P.
Tetrahedron Assymmetry, 2002, 12, 3349-3365.

91

"Recent Developments in the Synthesis of Biologically Active Indole Alkaloids",Lobo, A. M.; Prabhakar, S.
Journal of Heterocyclic Chemistry, 2002, 39, 429-436.

90

"A New Synthesis of (-)-Debromoflustramine B, (+)-ent-Debromoflustramine B and (+)-Debromoflustramide B", Cardoso, A. S.; Natarajan, S.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 2001, 42, 6663-6666.

89

"A Formal Synthesis of (+/-)-Eseroline via an Aza-oxy-Cope Rearrangement", Santos, P. F.; Almeida, P. S.; Lobo, A. M.; Prabhakar, S.
Heterocycles, 2001, 55, 1029-1043.

88

"Palladium(II)-Promoted Aziridination of Olefins with Bromamine T as the Nitrogen Transfer Reagent", Antunes, M. M.; Marto, S. J. L.;Branco, P. C. S.;Prabhakar, S.; Lobo, A. M.
Journal Chemical Society, Chemical Communications, 2001, 405-406.

87

"A novel synthesis of arcyriaflavin-A via an intramolecular sulphur extrusion reaction", Marques, M. M. B.; Santos, M. M. M.; lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 2000, 41, 9835-9838.

86

"Benzohydroxamic Acid Addition to Propiolate Esters- A Correction", Duarte, M. P.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 2000, 41, 7433-7435.

85

"The Principles of Organic Synthetic Methodology", in Organic Synthetic Methodology
Prabhakar, S.; Lobo, A. M.;
Prabhakar, S. (Editor), Edinova, 2000, Cap. 1, 19-68.

84

"Studies in Aza-Cope Reaction: a Formal Highly Enantioselective Synthesis of Tryprostatin B", Cardoso, A.S.; Lobo, A.M.; Prabhakar, S.
Tetrahedron Letters, 2000, 41, 3611-3613.

83

"New Syntheses of DNA Adducts from Methylated Anilines Present in Tobacco Smoke", Branco, P.S.; Antunes, A.M.M.; Marques, M.M.; Chiarelli, M.P.; Lobo, A.M.; Prabhakar, S.
Chem. Res. Toxicol., 1999, 12, 1223-1233.

82

"A Diels-Alder, retro-Diels-Alder Approach to Arcyriflavin-A", Marques, M. M.; Lobo, A. M.; Prabhakar, S.; Branco, P. S.
Tetrahedron Letters, 1999, 40, 3795-3796.

81

"Reactions between 2-Acylthiazoilum Salts and N-Arylhydroxylamines", Ferreira, L. M.; Lobo, A. M.; Prabhakar, S.; Teixeira, A.
Tetrahedron, 1999, 55, 3541-3552.

80

"New Resin Acids Derivatives: Diisocyanate, Diurethanes and Diureides", Gigante, B.; Esteves, M. A.; Curto, M. J. M.; Ascenso, J.; Prabhakar, S.; Lobo, A. M.
Synthetic Communications, 1998, 28, 639-652.

79

"1-Aza-1´,3´-Diaza-3,3´-Sigmatropic Rearrangements - A Convenient Synthesis of Benzimidazole Derivatives", Carvalho, M. T. V. L.; Lobo, A. M.; Branco, P. S.; Prabhakar, S.
Tetrahedron Letters, 1997, 38, 3115-3118.

78

"New Syntheses of the Amaryllidaceae Alkaloids Vasconine, Assoanine, Oxoassoanine, Pratosine and Ismine by Radical Cyclisation", Rosa, A. M.; Lobo, A. M.; Branco, P. S.; Prabhakar, S.; Sa-da-Costa, M.
Tetrahedron, 1997, 53, 299-306.

77

"The Chemistry and Reactivity of Aryl Radicals - The C-C Bond Formation from o-Bromobenzylphenylethers with Tin Hydride and AIBN", Rosa, A. M.; Lobo, A. M.; Branco, P. S.; Prabhakar, S.
Tetrahedron, 1997, 53, 285-298.

76

"Synthesis of Phenanthridines by Radical Caryl-Caryl Coupling", Rosa, A. M.; Lobo, A. M.; Branco, P. S.; Prabhakar, S.; Pereira, A. M. D. L.
Tetrahedron,, 1997, 53, 269-284.

75

"Pericyclic Reactions in the Synthesis of Natural Products", Lobo, A. M.; Prabhakar, S.
Pure and Applied Chemistry, 1997, 69, 547-552.

74

"A Synthesis of the Amaryllidaceae Alkaloid Pratosine", Pereira, M. M. A.; Prabhakar, S.; Lobo, A.M.
Journal of Natural Products, 1996, 744-747.

73 "Ceramides from the Fungus Phellinus pini", Lourenco, A.; Lobo, A. M.; Rodriguez, B.; Jimeno, M.L.
Phytochemistry, 1996, 43, 617-620.

72

"A New Enantioselective Synthesis of N-Arylaziridines by Phase-Transfer Catalysis", Aires-de-Sousa, J.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 1996, 37, 3183-3186.

71 "A theoretical mechanistic investigation of asymmetric aziridination by N-Aryl-O-acylhydroxylamines" Chaves, H.T.; Lobo, A.M.; Prabhakar, S.; Rzepa, H.S.
AIP Conf. Proc. 1995, 330(1) 140.

70

"A Novel Approach to the Hexahydropyrrolo[2,3-b]-indole Nucleus: A Synthesis of (+/-)-Desoxyeseroline", Santos, P. F.; Lobo, A. M.; Prabhakar, S.

Tetrahedron Letters, 1995, 36, 8099-8100.

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69

"A Convenient Method for the Preparation of N-Aryl and N-Alkyl-O-Methyl Hydroxylamines", Santos, P. F.; Lobo, A. M.; Prabhakar, S.
Synthetic Communications, 1995, 25, 3509-3518.

68

"A New Synthesis of Arcyriaflavin-A", Fonseca, A. P.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 1995, 36, 2689-2692.

67

"Tetra- and Pentacyclic Triterpenoids of Euphorbia piscatoria Ait.", Ferreira, M. J. U.; Lobo, A. M.; Nascimento, J. M.; Wyler, H.
Planta Medica, 1994, 581-582.

66

"Enehydroxylamines as Versatile Compounds in 3,3-Sigmatropic Rearrangements", Reis, L. V.; Lobo, A. M.; Prabhakar, S.
Tetrahedron Letters, 1994, 35, 2747-2750.

65

"A New Synthesis of Quinoline Derivatives", Clemente, D. T. V.; Lobo, A. M.; Prabhakar, S.; Curto, M. J. M.
Tetrahedron Letters, 1994, 35, 2043-2046.

64

"New Reactions Involving Addition to and Substitution at Carbon-Carbon p Bonds", Lobo, A. M.; Prabhakar, S.
Revista Portuguesa de Quimica, Série II 1994, 1, 31-42.

63

"Implementation of the Cahn-Ingold-Prelog System for Stereochemical Perception in the LHASA Program", Mata, P.; Lobo, A.M.; Marshall, C.; Johnson, A. P.
J. Chem. Inf. Comput. Science, 1994, 34, 491-504.

62

"Selective O-Acylation of Aromatic Hydroxylamines by 2-Acylimidazolium and 2-Acylbenzimidazolium Salts", Santos, P.P.O.; Trindade, C.L.; Lobo, A.M.; Prabhakar, S.
Tetrahedron Letters, 1993, 34, 3793-3796.

61

"The CIP Sequence Rules: Analysis and Proposal for a Revision", Mata, P.; Lobo, A.M.; Marshall, C.; Johnson, A. P.
Tetrahedron Asymmetry, 1993, 4, 657.

60

"Triterpenoids of Euphorbia mellifera", Ferreira, M.J.U; Lobo, A.M.; Wyler, H.
Fitoterapia, 1993, 64, 377-378.

59

"Triterpenoids and Steroids from Euphorbia peplus", Ferreira, M.J.U.; Lobo, A.M.; Wyler, H.
Fitoterapia, 1993, 64, 85-87.

58

"Reduction of Nitrosobenzene by 2-(a-Hydroxy-ethyl)-3,4-dimethylthiazolium salts", Ferreira, L.M.; Chaves, H.T.; Lobo, A.M.; Prabhakar, S.; Rzepa, H. S.
Journal Chemical Society, Chemical Communications, 1993, 133-134.

57

"N-Hydroxy-N-pivaloylanilines: a New Aziridinating Agent", Pereira, M.M.; Santos, P.P.O.; Reis, L.V.; Lobo, A.M.; Prabhakar, S.
Journal Chemical Society, Chemical Communications, 1993, 38-40.

56 "Sintese Organica", Lobo, A.M.
Coloquio/Ciencias, Fundacao Calouste Gulbenkian, Lisboa, 1992, ano 4, nº 11 , 41.

55

"Quimica Organica em Portugal - Tendencias Recentes", Lobo, A. M.

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In 'O Estado das Ciencias em Portugal', Gago, J.M. (coord.), Dom Quixote, Lisboa, 1992, 359.

54

"Reactions of Hydroxylamines with Ethyl Cyanoformate. Preparation of Aminonitrones and their Synthetic Applications", Branco, P.S.; Prabhakar, S.; Lobo, A.M.; Williams, D.S.
Tetrahedron, 1992, 48, 6335-6360.

53

"Revision of C-22,C-23 Configuration of Two Triterpenoids of the Fungus Pisolithus tinctorius", Abreu, P.M.; Lobo, A.M.; Prabhakar, S.
Phytochemistry, 1991, 30, 3818-3819.

52

"New Selective Synthesis of Oxidized Resin Acid Derivatives", Gigante, B.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.
Synthetic Communications, 1991, 21, 1959.

51

"2-Acyl Thiazolium Salts as Selective Agents for the O-Acylation of Aromatic Hydroxylamines", Ferreira, L.M.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.; Rzepa, H.S.; Yi, M.Y.
Journal Chemical Society, Chemical Communications, 1991, 1127-1128.

50

"Studies on the Catalytic Hydrogenation of Resin Acids Derivatives: Synthesis of a Benzoxazole", Gigante, B.; Lobo, A.M.; Prabhakar, S.; Curto, M.J.M.; Williams, D.J.
in Heterogeneous Catalysis and Fine Chemical II, M. Guisnet et al. (Ed.), Elsevier, Amsterdam, 1991, 209.

49

"Madeiranes. A New Class of Pentacyclic Triterpenes: D-Friedomadeir-14-en-3b-ol and 3-one, D:C-Friedomadeir-7-en-3b-ol and 3-one", Ferreira, M.J.U.; Lobo, A.M.; O'Mahoney, C.A.; Williams, D.J.; Wyler, H
Helvetica Chimica Acta, 1991, 74, 1329-1338.

48

"Synthetic Applications of N-Aryl-O-Acyl Hydroxamic Acids. A Convenient Route to 3-Substituted N-Benzoyl Oxindoles", Almeida, P.S.; Prabhakar, S.; Lobo, A.M.; Curto, M.J.M.
Tetrahedron Letters, 1991, 32, 2671-2674.

47

"Photodimerization of Aromatic Resin Acids", Gigante, B.; Curto, M.J.M; Lobo, A.M.; Prabhakar, S.; O'Mahoney, C.; Rzepa, H.S.; Williams, D.J.
Journal of Natural Products, 1991, 54, 247.

46

"Studies in the Catalytic Hydrogenation of Dehydroabietic Acid Derivatives", Gigante, B.; Curto, M.J.M.; Lobo, A.L.; Prabhakar, S.
in Heterogeneous Catalysis and Fine Chemicals II, M. Guisnet et al. (Ed.), Elsevier, Amsterdam, 1990, 2972.

45 "Moleculas da Vida", Lobo, A.M.
In 'Quimica e Sociedade', A. Romao Dias e J. Moura Ramos (Ed.), Escolar Editora, Lisboa, 1990, 49.

44

"Aryl-aryl Coupling by n-Tributylstannyl Hydride - An Efficient Phenanthridine Synthesis", Rosa, A.M.; Prabhakar, S.; Lobo, A.M.
Tetrahedron Letters, 1990, 31, 1881-1884.

43

"Euferol and Melliferol: Two Novel Triterpenoids from Euphorbia mellifera", Ferreira, M.J.U.; Lobo, A.M.; O'Mahoney, C.A.; Williams, D.J.; Wyler, H
Journal of the Chemical Society, Perkin I Communications, 1990, 185-187.

42

"E-Z Rotational Isomerization in Thiohydroxamic Acids. A 1H NMR and MNDO SCF-MO Study", Santos, M.A.; Lobo, A.M.; Prabhakar, S.; Rzepa, H.S.
Revista Portuguesa de Quimica, 1989, 31, 49.

41

"Photo-oxidation of Resin Acids", Gigante, B.; Curto, M.J.M.; Lobo, A.M.; Prabhakar, S.; Jones, R.; Rzepa, H.S.; Williams, D.J.
Journal of Natural Products, 1989, 52, 85-94.

40 "A Novel Synthesis of Benzimidazolinones", Almeida, P.S.; Lobo, A.M.; Prabhakar, S.
Heterocycles, 1989, 28, 653-656.

39

"Diterpenoids from Salvia Candelabrum", Mendes, E.; Marco, J.L.; Rodriguez, B.; Jimeno, M.L.; Lobo, A.M.; Prabhakar, S.
Phytochemistry, 1989, 28, 1685-1690.

38

"Unusual Cis Ring Junction Stereochemistry in a Lactol Derived From Photo-oxygenation of Abietic Acid: An NMR and Molecular Modelling Study", Gigante, B.; Lobo, A.M.; Curto, M.J.M.; Prabhakar, S.; Rzepa, H.S.
Tetrahedron Computer Methodology, 1988, 133-139.

37

"Triterpenoids of the Fungus Pisolithus tinctorius", Lobo, A.M.; Abreu, P.M.; Prabhakar, S.; Godinho, L.S.; Jones, R.; Rzepa, H.S.; Williams, D.J.
Phytochemistry, 1988, 27, 3569-3574.

36 "A Direct Bioautographic TLC Assay for Resin Acid Derivatives with Fungistatic Activity", Clemente, A.; Karmali, A.; Gigante, B.; Barros, A.M.; Lobo, A.M; Prabhakar, S.; Marcelo-Curto, M.J.
Ciência Biológica, 1987, 12(5A), 261.?

35 "Tetrahedral Intermediates and Cancer Induction - The Approach of an Organic Chemist", Lobo, A.M.
Revista Portuguesa de Quimica, 1987, 29, 62.

34

"O Pinheiro: Fonte Renovavel de Materias Primas para a Industria Quimica. 1. Os Acidos Resinicos em Quimica Fina", Gigante, B.; Curto, M.J.M.; Lobo, A.M.; Prabhakar, S.
Boletim do Instituto dos Produtos Florestais - Resinosos, 1987, 8-10.

33

"The Mass Spectrometry Behaviour of Benzohydroxamic and Benzothiohydroxamic Acids under Electron Impact", Florencio, M.H.; Heerma, W.; Santos, M.A.; Tavares, M.R.; Lobo, A.M.; Prabhakar, S.
Organic Mass Spectrometry, 1987, 22, 506-512.

32

"Tetrahedral Intermediates formed by Nitrogen and Oxygen Attack of Aromatic Hydroxylamines on Acetyl Cyanides", Lobo, A.M.; Marques, M.M; Prabhakar, S.; Rzepa, H.S.
Journal of Organic Chemistry, 1987, 52, 2925-2927.

31

"Volumes of Reaction for the Formation of Some Analogues of Tetrahedral Intermediates", Isaacs, N.S.; Rzepa, H.S.; Sheppard, R.N.; Lobo, A.M.; Prabhakar, S.; Merbach, A.E.
Journal of the Chemical Society, Perkin II, 1987, 1477-1482.

30

"Characterizing a Tetrahedral Intermediate in an Acyl Transfer Reaction: An Undergraduate 1H NMR Demonstration", Rzepa, H.S.; Lobo, A.M.; Marques, M.M.; Prabhakar, S.
Journal of Chemical Education, 1987, 64, 725-726.

29

"A New Synthesis of the Amaryllidaceae Alkaloid Hippadine", Prabhakar, S.; Lobo, A.M.; Marques, M.M.
Journal of Chemical Research, 1987, 167.

28

"The Structure of an Abietic Acid Dimer", Gigante, B.; Jones, R.; Lobo, A.M.; Curto, M.J.; Prabhakar, S.; Rzepa, H.S.; Williams, D.J.; Zinkel, D.F.
Journal Chemical Society, Chemical Communications, 1986, 1038-1039.

27

"Magnetic Non-Equivalence in the Low-temperature Nuclear Magnetic Resonance Spectra of N-Benzyl-N-methylhydroxylamine and its Anion - Comparison with SCF-MO Calculations", Lobo, A.M.; Prabhakar, S.; Rzepa, H.S.; Santos, M.A.
Revista Portuguesa de Quimica, 1985, 27, 492-499.

26

"The Fragmentation of Thiohydroxamic Acids", Florencio, M.H.; Duarte, M.F.N.; Santos, M.A.; Lobo, A.M.; Prabhakar, S.
Advances Mass Spectrometry, 1985, 1347-1348.

25

"A Synthesis of the Alkaloid Ismine", Prabhakar, S.; Lobo, A.M.; Marques, M.M.; Tavares, R.
Journal of Chemical Research, 1985, 394-395.

24

"Novel Triterpenoids from the Fungus Pisolithus tinctorius", Lobo, A.M.; Abreu, P.M.; Prabhakar, S.; Godinho, L.S.; Rzepa, H.S.; Sheppard, R.N
Tetrahedron Letters, 1985, 26, 2589-2592.

23

"Tetrahedral Intermediates formed during Acyl Transfer Reactions of Acetyl Cyanide", Lobo, A.M.; Marques, M.M.; Prabhakar, S.; Rzepa, H.S.
Journal Chemical Society, Chemical Communications, 1985, 1113-1115.

22

"X-Ray Structure of the Complex Formed between N-Bromosuccinimide and Diaza(2.2.2)Bicyclo-octane", Crowston, E.; Lobo, A.M.; Prabhakar, S.; Rzepa, H.S.; Williams, D.J.
Journal of the Chemical Society, Chemical Communications, 1984, 276-278.

21

"An X-Ray Crystallographic, 1H Nuclear Magnetic Resonance, and MNDO SCF-MO Conformational Study of o-Substituted N-Benzylbenzothiohydroxamic Acids", Lobo, A.M.; Prabhakar, S.; Santos, M.A.; Rzepa, H.S.; Williams, D.J.
Journal of the Chemical Society, Perkin Trans. II, 1984, 1511-1516.

20

"A Convenient Method for the Synthesis of N-Hydroxythiobenzamides-(C-Arylhydroxamic Acids)", Prabhakar, S.; Lobo, A.M.; Santos, M.A.; Rzepa, H.S.
Synthesis, 1984, 10, 829-832.

19

"C-Substitution Reactions of C,N-Diaryl Nitrones", Lobo, A.M.; Prabhakar,S.; Rzepa, H.S.; Skapski, A.C.; Tavares, M.R.; Widdowson, D.A.
Tetrahedron, 1983, 39, 3833-3841.

18

"Pisolactone, a Novel Triterpenoid Isolated from the Fungus Pisolithus tinctorius", Lobo, A.M.; Abreu, P.M.; Prabhakar, S.; Godinho, L.S.; Williams, D.J.
Tetrahedron Letters, 1983, 24, 2205-2208.

17

"Cardiotonic Steroids - Synthesis of 22-Oxygenated Cardenolides", Lobo, A.M.; Prabhakar, S.; Marques, M.M.
Revista Portuguesa de Quimica, 1982, 24, 179-182.

16

"Reactions between Hydroxylamines and Aroyl Cyanides", Prabhakar, S.; Lobo, A.M.; Marques, M.M.
Tetrahedron Letters, 1982, 23, 1391-1394.

15

"Total Synthesis of the Alkaloids (+)-Alpinigenine and (+)- cis - Alpinigenine", Prabhakar, S.; Lobo, A.M.; Tavares, M.R.; Oliveira, I.M.
Journal of the Chemical Society, Perkin Trans. I, 1981, 1273-1277.

14

"The Alkaloids of the Portuguese Ergot", Lobo, A.M.; Prabhakar, S.; Benito-Rodriguez, A.M.
Revista Portuguesa de Quimica, 1981, 23, 1-6.

13

"Rotational Isomerism between the E and Z Forms of Hydroxamic Acids in Strong Acid", Lobo, A.M.; Prabhakar, S.; Tavares, M.R.; Rzepa, H.S.
Tetrahedron Letters, 1981, 22, 3007-3008.

12 "Quimica Organica", Lobo, A.M.; Prabhakar, S.
Instituto Portugues de Ensino a Distancia, TP4 54, Lisboa, 1980.

11

"Hydrolysis of Oxaziridines. The Effects of Substituents on the Kinetics and Mechanism of the Acid-Catalysed Reactions", Butler, A.R.; Challis, B.C.; Lobo, A.M.; White, J.G. (in part)
Journal of the Chemical Society, Perkin Trans. II, 1979, 103.

10

"Hydrolysis of Oxaziridines. Evidence for both O- and N-Conjugate Acid Formation with 2,3,3-Triethyloxaziridine", Butler, A.R.; Challis, B.C.; Lobo, A.M.
Journal of the Chemical Society, Perkin Trans. II, 1979, 8, 1035.

9

"Boron Complexes as Control Synthons in Photocyclisations: An Improved Phenanthridine Synthesis", Prabhakar, S.; Lobo, A.M.; Tavares, M.R.
Journal of the Chemical Society, Chemical Communications, 1978, 884-885.

8

"Biossintese de Produtos Naturais - Metabolismo Secundario", Lobo, A.M. (coord.)
contribuicoes Cap. 1, 3 e 5, Serviços Graficos da UNL, Lisboa, 1977.

7

"Protonation on N-Methylhydroxamic Acids", Lobo, A.M.; Prabhakar, S.; Fonseca, M.T.C.; Rodriguez, A.M.B.
Tetrahedron Letters, 1977, 18, 3167-3170.

6

"Photochemical Approach to Rhoeadine Alkaloid Skeleton: Synthesis of (+)-cis - Alpinigenine", Prabhakar, S.; Lobo, A.M.; Oliveira, I.M.C.
Journal of the Chemical Society, Chemical Communications, 1977, 419.

5

"Conjugate Acid Structure for Oxaziridines Bearing Primary and Secondary 2-Alkyl Groups", Challis, B.C.; Lobo, A.M.
Journal of Heterocyclic Chemistry, 1977, 14, 1393-1398.

4 "Analise Estrutural Organica", Lobo, A.M.
Serviços Graficos da UNL, Lisboa, 1975.

3

"Cardiotonic Steroids. Synthesis of Cardenolides Sulphates", Lobo, A.M.; Prabhakar, S.; Baptista, M.J.O.; Cardoso, J.M.; Jorge, A.M.C.
Revista Portuguesa de Quimica, 1975, 17, 124.

2

"Phenol Oxidation and Biosynthesis. The Alkaloids of Erythrina lysistemon , E. abyssinica, E. poeppigiana, E. fusca and E. lithosperma; the Structure of Erythratidine", Barton, D.H.R.; Gunatilaka, A.L.; Letcher, R.M.; Lobo, A.M.; Widowson, D.A.
Journal of the Chemical Society, Perkin Trans. I, 1973, 874.

1 "Ring Cleavage of Oxaziridines", Lobo, A.M.
Ph.D. Thesis, University of London, 1971.

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