An Improved Preparation of ll, 19-Oxidopregn-4-ene-3, 20-dione and 6, 19-Oxidopregn-4-ene-3, 11, 20-trione

A synthesis of 11, 19-oxidopregn-4-ene-3, 20-dione and 6, 19-oxidopregn-4-ene-3, 11, 20-trione is described starting from pregn-4-ene-3, 11, 20-trione and via the common intermediate 3β, 20β-diacetyloxy-5α-bromo-6, 19-oxidopregnan-11-one, in 30 and 32% yield, respectively. © 1990, Walter de Gruyter....

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Detalles Bibliográficos
Autores principales: Brachet-Cota, A.L., Burton, G.
Formato: JOUR
Materias:
11.19-Oxidopregn-4-ene-3.20-dione
11.19-Oxidoprogesterone
6, 19-Oxido-l 1-ketoprogesterone
6, 19-Oxidopregn-4-ene-3, l 1, 20-trione
Synthesis
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_09320776_v45_n5_p711_BrachetCota
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:A synthesis of 11, 19-oxidopregn-4-ene-3, 20-dione and 6, 19-oxidopregn-4-ene-3, 11, 20-trione is described starting from pregn-4-ene-3, 11, 20-trione and via the common intermediate 3β, 20β-diacetyloxy-5α-bromo-6, 19-oxidopregnan-11-one, in 30 and 32% yield, respectively. © 1990, Walter de Gruyter. All rights reserved.

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