77050-57-8Relevant articles and documents
SYNTHESIS OF 3,4-, 4,5- AND 5,6-UNSATURATED 19-SUBSTITUTED CHOLESTANE DERIVATIVES AND RELATED EPOXIDES
Kocovsky, Pavel
, p. 3008 - 3022 (2007/10/02)
Starting from the 5,6-unsaturated compound X, 19-hydroxy-, 19-methoxy- and 19-acetoxy derivatives with the double bond in positions 5,6- (XIV-XVI), 4,5- (XXI-XXIII) and 3,4- (XXX, XXXIII, XXXIV) were prepared by stepwise transposition of the 5,6-double bo