H. Majgier-baranowska et Jf. Templeton, Synthesis of Steroid 5 alpha and 5 beta 4-ketones from the 4-en-3-one : 1,2-carbonyl transposition, TETRAHEDRON, 55(12), 1999, pp. 3717-3722
An efficient procedure for the conversion of the steroid 4-en-3-one to the
5 alpha and 5 beta 4-ketones is described. Structures are established by NM
R analysis. (C) 1999 Elsevier Science Ltd. All rights reserved.