A 4-oxacyclohexanone-1,5-lactone photoisomerization with 1,2:4,6-Di-O-alkylidene-α-D-hexopyranos-3-ulose derivatives
Abstract
Five 4-oxacyclohexanones (1)–(5) derived from 1,2:4,6-di-O-alkylidene glucose have been shown to photoisomerize to the 2,3:4,6-di-O-alkylidene-aldono-1,5-lactones (7)–(11) respectively.