Selective reduction of the 7(8)-double bond in ergosterol
作者:Derek H. R. Barton、Xavier Lusinchi、L�on Magdzinski、Jesus Sandoval Ramirez
DOI:10.1039/c39840001236
日期:——
Reduction of ergosterol alkoxide derivatives with lithium metal gives better yields of the 7(8)-reduced product brassicasterol than previous procedures; the mixed products of the reduction are easily converted into ergosta-2,22-dien-6-one, a convenient intermediate for brassinolide synthesis.