JOURNAL OF CHEMICAL RESEARCH-S, no.6, pp.300-301, 1998 (SCI-Expanded)
An adjacent cis 5-hydroxy group changes the regio- and stereo-chemistry of the TCNE-catalysed methanolysis of steroidal 3,4-epoxides from trans diaxial to diequatorial cleavage; the stereochemistry of the two products is established by X-ray crystallography.