C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 33/00 (2006.01) C07J 5/00 (2006.01) C07J 9/00 (2006.01) C07J 17/00 (2006.01)
Patent
CA 2069932
Abstract 20-Methyl-5,7-prec31ladiene-3.beta.,21-diol derivatives of general formula I Image (I) , in which R1 means a hydrogen atom or a lower alkyl group and R2 means a lower alkyl group or R1 and R2 together represent a tetramethylene group or a pentamethylene group and a process for their production are described.
Kennecke Mario
Neef Guenter
Weber Alfred
Marks & Clerk
Schering Aktiengesellschaft
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