Process for preparing certain cinnamide compounds

Details Process for preparing certain cinnamide compounds Process for preparing certain cinnamide compounds

C - Chemistry, Metallurgy

07

D

C07D 401/04 (2006.01) C07D 257/06 (2006.01) C07D 471/04 (2006.01)

Patent

CA 2733606

This invention relates to a new synthesis, intermediates and precursors leading to a mixture of the compounds 11 and 12 as shown below. It also relates to the resolution of the stereoisomeric mixture to provide in substantial stereochemical purity compound 12. The synthesis of the invention involves preparation of compound 7 and compound 10 as shown below and their reaction to prepare a mixture of compound 11 and compound 12.

Cette invention concerne une nouvelle synthèse, des intermédiaires et des précurseurs conduisant à un mélange des composés 11 et 12 comme illustré ci-après. Linvention concerne également la décomposition du mélange de stéréo-isomères produisant le composé 12 de pureté sensiblement stéréochimique. La synthèse de linvention implique la préparation du composé 7 et du composé 10 comme illustré ci-après et leur réaction pour préparer un mélange du composé 11 et du composé 12.

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