The Westphalen Rearrangement of a Tricyclic Steroid.

Abstract

Steroids Steroids U 0300The Westphalen Rearrangement of a Tricyclic Steroid. -5,6-Chlorohydrin (III) derived from Koster-Logemann ketone (I) is shown to suffer a backbone Westphalen rearrangement on treatment with acetic anhydride and sulfuric acid. (Yields given in g.) -(HANSON*, J. R.; HITCHCOCK, P. B.; KIRAN, I.; J. Chem. Res., Synop. 2003, 4, 222-224; Sch. Chem., Phys. Environ. Sci., Univ. Sussex, Brighton BN1 9QJ, UK; Eng.) -Staver 49-169