Tetrahedron Letters
Volume 31, Issue 27, 1990, Pages 3941-3942
Short step synthesis of (22E, 24R)-5α-ergosta-2,22-dien-6-one, a key intermediate for the preparation of 24-epibrassinolide
Juan C. Ferrer, Rubén Lalueza, Oscar Saavedra and Carme Brosa
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http://dx.doi.org/10.1016/S0040-4039(00)97512-9
Helvetica Chimica Acta
Volume 70, Issue 3, Date: 6 May 1987, Pages: 701-716
Fe(II)-Induced Fragmentation Reaction of -Hydroperoxy- , -enones. Part 1. Synthesis of 13(14 -abeo-Steroids
Luigi Canonica, Bruno Danieli, Giordano Lesma, Giovanni Palmisano, Angelo Mugnoli
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http://dx.doi.org/10.1002/hlca.19870700320