C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
260/14
C07J 41/00 (2006.01) C07J 1/00 (2006.01) C07J 31/00 (2006.01) C07J 71/00 (2006.01)
Patent
CA 1121340
ABSTRACT OF THE DISCLOSURE 2.alpha.-Cyano-3-oxosteroids, useful as interceptive agents, having a 4.alpha.,5.alpha.-epoxy group and alkylated in the 4- and/or 6-position, useful as interceptive agents, are prepared by alkaline cleavage of the corresponding steroido[2,3-d]isoxazoles.
317885
Smart & Biggar
Sterling Drug Inc.
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