C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/355.5
C07D 313/04 (2006.01) C07C 45/51 (2006.01) C07D 303/32 (2006.01) C07D 307/20 (2006.01) C07D 493/08 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1171422
ORTH 379 Synthesis of Dioxabicyclo[3.2.1]Octanes and Oxepanes ABSTRACT The synthesis of C-4 alkyl analogs of racemic (IRS,4SR,5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4- methyl 3,8-dioxabicyclo[3.2.1]octane-l-acetic acid and the corresponding (lRS,4RS,5RS)- derivative is described. The dioxabicyclo[3.2.1]octanes are useful as contragestational agents. The intermediate oxepane analogs are useful as intermediates in the preparation of the contragestational agent zoapatanol.
382365
Hajos Zoltan G.
Wachter Michael P.
Gowling Lafleur Henderson Llp
Ortho Pharmaceutical Corporation
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