C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 491/10 (2006.01) A61K 31/4355 (2006.01) A61P 3/00 (2006.01) A61P 9/00 (2006.01) A61P 25/00 (2006.01) C07D 221/00 (2006.01) C07D 307/00 (2006.01)
Patent
CA 2526027
This invention relates to a process for making spirolactone compounds of general formula I, having an improved IA/IB ratio, according to the following shceme.
Cette invention concerne un procédé de production de composés spirolactone de la formule générale (I), ayant un rapport IA/IB amélioré selon le système 1-4, 1-5, 1-6, 1-7(IC), 1-8 (IA).
Iida Takehiko
Maeda Kenji
Mase Toshiaki
Sato Hiroki
Sawada Naotaka
Banyu Pharmaceutical Co. Ltd.
Merck & Co. Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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