C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 229/36 (2006.01) C07C 219/20 (2006.01) C07F 9/655 (2006.01) C07F 9/80 (2006.01)
Patent
CA 2429058
An oxybutynin and its derivatives are produced by reacting a phenyl- ketone with a silylcyanide in the presence of a specified asymmetric catalyst to obtain a siloxynitrile, and then reacting the siloxynitrile with a reducing agent and oxidizing the resulting aldehyde, or subjecting the siloxynitrile to a hydrolysis.
Kanai Motomu
Shibasaki Masakatsu
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The University Of Tokyo
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