Processes for the preparation of...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 209/08 (2006.01) C07C 271/24 (2006.01) C07D 203/14 (2006.01)

Patent

CA 2732095

The present invention relates to a process for the production of (3aR,4S,7aR)-4-hydroxy-4-m--tolylethynyl-octahydro- indole-1-carboxylic acid methyl ester (I), of carbamic acid (2-chloroethyl)(3-oxocyclo-hexyl)- alkyl ester enantiomers (II), and of 1-carbalkoxy-4-ketoperhydroindole enantiomers (III).

La présente invention porte sur un procédé de production d'ester méthylique d'acide (3aR, 4S,7aR)-4-hydroxy-4-m-tolylethynyl-octahydro-indole-1-carboxylique (I), d'énantiomères d'ester (2-chloroéthyl) (3-oxocyclohexyl)-alkylique de l'acide carbamique (II)et d'énantiomères de 1-carbalcoxy-4-cétoperhydroindole (III).

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