Libero Domenico Antonaccio
Libero Domenico Antonaccio, Brazilian organic chemist (Rio de Janeiro 12 February 1924 – Rio de Janeiro after 2012) DISCOVERED AND DESCRIBED NEW PLANT ALKALOIDS With B. Gilbert, J.C. Braekman, C. Hootele, C. Van Moorleghem, M. Kaiser & J. Pecher. Indole alkaloids. XVII. Five dihydroindole alkaloids from Aspidosperma verbascifolium. Bull. Soc. Chim. (1969) With B. Gilbert, N.A. Pereira, H. Vorbuegger, H. Budzikiewicz, J.M. Wilson, L.J. Durham & C. Djerassi. Alkaloid studies. XXXIII. Mass spectrometry in structural and stereochemical problems. VI. Polyneuridine, a new alkaloid from Aspidosperma polyneuron, and some observations on mass spectra of indole alkaloids. J. Am. Chem. Soc. 84(24):5001, 1962 With H. Budzikiewicz. Harman 3-3 carbonsaure ein neues alkaloid aus Aspidosperma polyneuron. Monatsch. Chem. 93:962, 1962 With C. Djerassi, B. Gilbert, T. George & A.A. P. Archer. Alkaloid studies. 30. Isolation and constitution of 3 new Aspidosperma alkaloids cylindrocarpine, cylindrocarpidine and pyrifolidine. Tetrahedron 16(1-4):212, 1961 With N.V. Riggs & L. Marion. A new quaternary aporphine from Fagara tingoassuiba Hoehne. Can. J. Chem 39:1330-5, 1961 With B.Gilbert, A.A. Archer & C. Djerassi. Alkaloid studies. XXIII. Isolation of four new Aspidosperma cylindrocarpin, refractine, pyrifoline and pyrifolidine alkaloids. Experientia 16:61-2, 1960 Isolated the phenolicalkaloid aspidofiline from Aspidosperma pyrifolium (1960) OTHER CONTRIBUTIONS With L.M.F. Serpa, W. Wanderley & E. Florio. The reaction of 5,6-dibromo cholestan 3one with di-methyl formamide, a new route to steroidal dienones. Anais Acad. Bras. Ciencias 44(3-4):419-22, 1972 With J.C. Perrone. The salting-out curve of human serum. An. Acad. Bras. Ciencias 25(4):459-68, 1953
Leandro Aristeguieta
Leandro Simon Aristeguieta Capella, Venezuelan botanist (Guasipati, Bolivar State 20 November 1923 – Caracas 06 October 2012) DESCRIBED PLANTAE TAXA Genus Pseudephedranthus 1969 (Annonaceae) About 75 species 4 varieties SOME BIBLIOGRAPHY Presencia de alcaloides en plantas de Venezuela. Bol. Soc. Venez. Cien. Natur. 32:23-34 & 132-3, 1976 El bosque caducifolio seco de los Llanos Altos Centrales. Bol. Soc. Venez. Cien. Natur. 27:395-38, 1968 Consideraciones sobre la flor de los morichales llaneros al norte del Orinoco, Venezuela. Acta Bot. Venez. 3:19-38, 1968 With E. Medina. Protección y quema de la sabana llanera. Bol. Soc. Venez. Cien. Natur. 26:129-39, 1966 Plantas indicadoras de incêndios anuales. Bol. Soc. Venez. Cien. Natur. 20(94):337-47, 1959 With F. Matos. Estudios dendrológicos en el Bosque de Guayabitos. Bol. Soc. Venez. Cien. Natur. 21 (95):16-52, 1959 HONORS Aristeguietia King & Robinson 1987 (Asteraceae)
Laurent Ake Assi
Laurent Aké-Assi, Ivorian botanist, ethnobotanist and phytochemist (Agboville 10 August 1931 – Abidjan 14 January 2014) Authored 134 works SOME PHYTOCHEMISTRY (new chemical species) With S. Fayez, T. Bruhn, D. Feineis, S.Awale & G. Bringmann. Ancistrosecoline A-F, unprecedented seco-naphthyisoquinoline alkaloids from the roots of Ancistrocladus abbreviatus, with apopotosis-inducing potential against HeLa cancer cells. J. Natur. Products 83(4):1139-51, 2020 With S. Fayez, J. Li, D. Feineis, M. Kaiser, R. Brun, M.A. Anany, H. Wajant & G. Bringmann. A near-complete series of four atropisomeric jozimine A2 type naphthylisoquinoline dimers with antiplasmodial and cytotoxic activities and related alkaloids from Ancistrocladus abbreviatus. J. Natur. Products 82(11):3033-46, 2010 With G. Bringmann, K. Messer, B. Schwobel & R. Brun. Habropetaline A, an antimalarial naphthylisoquinoline alkaloid from Triphyophyllum peltatum. Phytochemistry 62(3):345-9, 2003 With G. Bringmann, C. Schneider, U. Mohler, R.M. Pfeifer, R. Gotz, E.M. Peters & K. Peters. Two atropisomeric N-methyldioncophyllines A and N-methylphylline, their naphthalene-free heterocyclic moiety from Ancistrocladus barteri. Zeitschr. f. Naturforsch B 58(6):577-84, 2003 With G. Bringmann, W. Saeb, R. God, M. Schaffer, G. François, K. Peters, E.M. Peters & K. Hostettmann. 5’-O-dimethyldioncophylline A, a new antimalarial alkaloid from Triphyophyllum peltatum. Phytochemistry 49(6):1667-73, 1998 With G. Bringmann, J. Holenz, C.X. Zhao & K. Hostettmann. Molluscicidal activity of naphthylisoquinoline alkaloids from Triphyophyllum and Anastrocladus species. Planta Medica 62(6):556-7, 1996 With G. Bringmann, R. Zagst & H. Reuscher. Ancistrobrevine B, the first naphthylisoquinoline alkaloid with A 5,8’-coupling site, and related compounds from Ancistrocladus abbreviatus. Phytochemistry 31(11):4011-4, 1992 With G. Bringmann, M. Rubenacker & T. Geuder. Dioncophylline B, a naphthylisoquinoline alkaloid with a new coupling type from Triphyophyllum peltatum. Phytochemistry 30 (11):3845-7, 1991 With G. Bringmann, M. Rubenacker, P. Vogt, H. Busse, K. Peters & H.G. Von Schnering. Dioncopeltine A and dioncolactone A: alkaloids from Triphyophyllum peltatum. Phytochemistry 30 (5):1691-6, 1991 PATENTS With G. Bringmann, M. Rubenacker, E. Ammermann & G. Lorenz. Use of dioncophyllines as fungicides DE4117080 (1991) & EP0515856A1 (1992) With G. François, G. Bringmann, J.D. Phillipson, M.R. Boyd, G. Schneider & G. Timperman. Naphthylisoquinoline alkaloids, pharmaceutical compositions containing them and their use for the treatment of malaria US195,547 (1994) & CA2183155A1 (1995) With G. François, G. Bringmann, J.D. Phillipson, M.R. Boyd, G. Schneider & G. Timperman. Antimalarial naphthylisoquinoline alkaloids and pharmaceutical compositions and medical uses thereof US 5639761 (1994) & 6627641 (1997) DESCRIBED PLANTAE TAXA Genus Staurogynopsis 1959 with Mangenot Species Adenia miegei 1961 Cassia tuhovalyana 1985 Cephaelis baillehachei 1960 Cephaelis castaneo-pilosa 1961 Cephaelis mangenotii 1959 Cephaelis schnellii 1959 Chytranthus mangenotii 1962 with N. Hallé Chytranthus vereamdus 1962 with N. Hallé Cola lorougnonis 1980 Dorstenia astyanactis 1967 Drypetes singroboensis 1960 Eugenia miegeana 1960 Fagara atchoum 1960 Fagara mezoneurispinosa 1960 Fagara psammophila 1960 Geophila flaviflora 1961 Heckeldora mangenotiana 1989 with Lorougnon Leptoderis miegei 1975 with Mangenot Melanthera tithonioides 1964 Psychotria hallei 1960 with Bouton Psychotria juglasiana 1959 Staurogynopsis maiana 1959 with Mangenot Staurogynopsis paludosa 1959 with Mangenot Turraea adjanohounii 1961 Hybrid Coffea x arabusta 1975 with Capot HONORS Akeassia Lebrun & Stork 1993 (Asteraceae)
Karl Arens
Karl Arens, German-born Brazilian plant physiologist and ecologist (Munsterschwarzach, Bayern 01 January 1902 – São Carlos, São Paulo State 1981) ACHIEVEMENTS Observed that substances loss through cuticle was a generalized phenomenon in plants Die kutikuläre exkretion der laubblatter. Jahrb. Wiss. Bot. 80:284-300, 1934 Developed a new method for direct determination of osmotic pressure in a plant cell with a gauge Um novo methodo de determinação directa de pressão osmótica numa cellula vegetal com manômetro (1938) Proposed the hypothesis of active membrane (1948) The “active membrane”: an hypothesis to explain the transfer of water and solutes in plants, as depending upon respiration. Rev. Canad. Biol. 8:157-72, 1949 Developed Arens technique or callose test Prova de calose por meio da microscopia a luz fluorescente com applicações do método. Lilloa 18:71-75, 1949 Uma doença da ervilha (Pisum sativum L.) causada por fatores meteorologicos. Lilloa 21 (1949) Proposed oligotrophic scleromorphism in Cerrado plants O cerrado como vegetação oligotrófica. Bol. Fac. Cien. Letras Univ. S. Paulo Ser. Bot. 224(15): 59-77, 1958 Ein polaritaets und steurungsmechanismus der Zelle. Protoplasma (1960)
Kamaluddin Ahmad
Kamaluddin Ahmad, Bengali biochemist and nutritionist (Gohira, Chittagong 01 September 1923 – Manila, Philippines 04 July 2004) Discovered a new transport method for Actinomycin-A Discovered ramnacin, a crystalline antibiotic and numerous other drugs derived from plant products for curing diseases Produced the first experimental case of lathyrism in animals LINKS http://archive.thedailystar.net/2004/07/09/d40709100477.htm
Julio Franco do Amaral
Julio Franco do Amaral, Brazilian plant pathologist (Boa Esperança do Sul, São Paulo State 21 July 1911 – Angra dos Reis, Rio de Janeiro State 27 July 2004) First or one of first to report Cylindrocladium spp. attacking Eucalyptus sp. Fungo (Cylindrocladium) atacando mudinhas de Eucalyptus. O Biológico 8:148, 1942 With V.O. Guida. Técnica de conservação de fungos em areia estéril. Arq. Inst. Biol. 19, 1949 With C.G. Teixeira & E.D. Pinheiro described Pseudomonas garcae A bactéria causadora da mancha aureolada do cafeeiro. Arq. Inst. Biol. 23:151-5, 1956 Mancha aureolada, nova moléstia bacteriana do cafeeiro. Biológico 22(6):93-8, 1956 Idealized the super wet chamber test for detecting bacteriae in plant vessels