M. Manickam et al., A NOTE ON OXIDE OPENING IN WITHASTEROIDS ON SOLID-SURFACE, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 37(7), 1998, pp. 700-703
The effect of alumina on withasteroids having 5 beta, 6 beta-epoxy-2-e
n-1-one 1a, 5 beta, 6 beta-epoxy-4 beta-hydroxy-2-en-1-one 1b and cycl
ic allyl ether 6c systems has been studied. Attempt has been made to r
ationalise the difference in the behaviour of 1a and 1b.