C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
260/59
C07J 31/00 (2006.01)
Patent
CA 1124711
ABSTRACT OF THE DISCLOSURE Process for the preparation of steroids Process for the preparation of steroids. The steroid 21-thioesters are prepared by preparing the corresponding sulphonates in acetonic suspension and by reacting this suspension directly with a thiocarboxylate. Preparation of synthesis intermediates.
340967
Aubard Gilbert Gustave
Torossian Dieran Robert
Aubard Gilbert Gustave
Goudreau Gage & Associates
Societe: S. I. P. S. Y.
Torossian Dieran Robert
LandOfFree
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