Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Vivian Leliebre Lara"'
Autor:
Martín A. Iglesias Arteaga, Vivian Leliebre Lara, Carlos Pérez Martínez, Francisco Coll Manchado
Publikováno v:
Química Nova, Vol 20, Iss 4, Pp 361-364 (1997)
The synthesis of two new spirostanic analogs of the natural occurring brassinosteroid 6-desoxocastasterone (1) is described. The scheme consists in the formation and elimination of tigogenin mesylate followed by catalytic dihydroxylation of the resul
Externí odkaz:
https://doaj.org/article/f61707f9f27f4edebfaec69d1a76130b
Autor:
Vivian Leliebre-Lara, Lianet Monzote Fidalgo, Eva-Maria Pferschy-Wenzig, Olaf Kunert, Clara Nogueiras Lima, Rudolf Bauer
Publikováno v:
Molecules, Vol 21, Iss 8, p 1045 (2016)
Two ergostanes, 5α,8α-epidioxy-22E-ergosta-6,22-dien-3β-ol (1) and 5α-ergost-7,22-dien-3β-ol (2), and a lanostane, 3β-hydroxylanostan-8,24-diene-21-oic acid (trametenolic acid) (3), were isolated from an n-hexane extract prepared from the fruit
Externí odkaz:
https://doaj.org/article/2e9604aefc6140f9b3dd604567b6029e
Autor:
Odette Concepción, Carlos Pérez, Francisco Coll, Orlando Pando, Daniel G. Rivera, Vivian Leliebre-Lara
Publikováno v:
Letters in Organic Chemistry. 3:519-522
Autor:
Carlos S. Pérez Martínez, Francisco Coll Manchado, Vivian Leliebre Lara, Martín A. Iglesias Arteaga, Roxana Pérez Gil
Publikováno v:
Synthetic Communications. 28:1779-1784
The synthesis of a plant growth promoter furostanol which bears the charateristic functionality of castasterone on rings A and B is described.
Autor:
Martín A. Iglesias Arteaga, Roxana Pérez Gil, Luis Pozo Ríos, Arístides Rosado Pérez, Carlos S. Pérez Martínez, Vivian Leliebre Lara, Francisco Coll Manchado
Publikováno v:
Synthetic Communications. 28:1381-1386
The synthesis of a plant growth promoter furostanol which bears the characteristic functionality of teasterone on rings A and B is described. # Dedicated to Dr. Charles Descoins on the occasion of his 62nd birthday.
Autor:
Arístides Rosado, Carlos S. Pérez Martínez, Francisco Coll Manchado, Vivian Leliebre Lara, Roxana Pérez Gil, Martín A. Iglesias Arteaga
Publikováno v:
Synthetic Communications. 28:75-81
The synthesis of (25R)-5α-spirostan-2α,3α,6β-triol triacetate is presented. #Dedicated to Dr. Maria Dolores E. Lopez (Lita) in the occasion of her 99th birthday. †Present Address: Instituto de Productos Naturales y Agrobiologia, Apartado de Cor
Autor:
Eva-Maria Pferschy-Wenzig, Vivian Leliebre-Lara, Lianet Monzote Fidalgo, Clara Nogueiras Lima, Rudolf Bauer, Olaf Kunert
Publikováno v:
Molecules, Vol 21, Iss 8, p 1045 (2016)
Molecules
Molecules
Two ergostanes, 5α,8α-epidioxy-22E-ergosta-6,22-dien-3β-ol (1) and 5α-ergost-7,22-dien-3β-ol (2), and a lanostane, 3β-hydroxylanostan-8,24-diene-21-oic acid (trametenolic acid) (3), were isolated from an n-hexane extract prepared from the fruit
Publikováno v:
Emirates Journal of Food and Agriculture. 27:592
This study was carried out with basidiomycete mushroom Trametes versicolor. The fruiting body of thementioned mushroom was extracted with alcohol and submitted to a qualitative phytochemical screening for secondary metabolites identification. This ex
Publikováno v:
ChemInform. 37
The synthesis and plant growth promoting activity of two 5α-hydroxyspirostanones are reported.
Autor:
Fredy León, Vivian Leliebre-Lara, Daniel G. Rivera, Orlando Pando, Francisco Coll, Deysma Coll
Publikováno v:
ChemInform. 35
Homogeneous non-aqueous permanganate dihydroxylation is used to synthesize spirostanic analogues of brassinosteroids bearing a variety of oxygen functions on ring B.