13163-67-2Relevant academic research and scientific papers
Synthesis of cholestan-3-one derivatives possessing a C-2 spiro-oxindole substituent
Tao, Hongwen,Yuan, Yinan,Chen, Jian,Yu, Xianyong,Yi, Pinggui
, p. 15 - 19 (2018/02/28)
A series of C-2 cholestan-3-one spiro-oxindole derivatives were prepared by the 1:3 dipolar cycloaddition reaction between the cholestan- 3-one substituted by a C-2 arylidene and the azomethine ylid derived from isatin and sarcosine. The dipolarophiles we
Oxidation of Azasteroid Lactams and Alcohols with Benzeneseleninic Anhydride
Back, Thomas G.
, p. 1442 - 1446 (2007/10/02)
Reaction of 4-azasteroid δ-lactams 6, 9, 10 and 12 with benzeneseleninic anhydride (2) in diglyme at 120 deg C smoothly effects dehydrogenation to the corresponding Δ1 derivatives 13-16.Oxidation of 3-aza-A-homo-4a-cholesten-4-one (17) or its s
