22,25-Dideoxyecdysome (1) and 5alpha-22.25-dideoxyecdysone (1a) were prepared from cholesterol via a new scheme using the key intermediates 3beta-chloro-5alpha-bromo-6-ketone 3. 3beta-chloro-7alpha-bromo-6-ketone 4, and 2,7-dien-6-one 7.
SHAFIULLAH;SIDDIQUI, I. H.;AHMAD, S., INDIAN J. CHEM. B, 27,(1988) N 3, C. 279-280
作者:SHAFIULLAH、SIDDIQUI, I. H.、AHMAD, S.
DOI:——
日期:——
Shafiullah; Siddiqui, I. H.; Ahmad S., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1988, vol. <B> 27, # 1-12, p. 279 - 280