129270-40-2Relevant academic research and scientific papers
PREPARATION OF SELECTIVELY PROTECTED DERIVATIVES OF 21-NOR-5-PREGNENE-3β,20-DIOL
Pouzar, Vladimir,Sames, Dalibor,Havel, Miroslav
, p. 499 - 511 (2007/10/02)
The preparation of selectively protected derivatives of the title diol (III) is described.Derivatives with protected hydroxyl in position 3 (IV, V and VI) were obtained by p-toluenesulfonic acid-catalyzed reaction of etienic acid (I) with dihydropyran, et
