Inventor

HEYMES ALAIN

FR21 patents

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HEYMES ALAIN

SANOFI SA

Process for the preparation of morphinane derivatives

2-thienylglycidic derivative, process for its preparation and its use as synthesis intermediate

1H-pyrrolo [3,2-c]pyrrolidines protected in 1-position useful as intermediates

Process for the preparation of isoquinoline derivatives

Process for the preparation of 3-benzoyl benzofuran derivatives

Process for the preparation of benzothiazepin-one derivatives

Process for preparing 5-aza-indole and intermediates used in this process

Process for the preparation of β-cyclo-substituted ethylamines

Process for the preparation of 2-(thien-2-yl)- and 2-(thien-3-yl)-ethylamine derivatives

Process for the preparation of 2-(thienyl-2)-and 2-(thienyl-3)-ethylamines

Process for preparing di-n-propylacetonitrile

Process for preparing α-hydroxy-alkanoic acids and compounds obtained by this process

Process for the preparation of 5,6,7,7a-tetrahydro-4H-thieno[3,2-c]pyridin-2-ones

Process for the preparation of 2-(thien-2-yl)- and 2-(thien-3-yl)-ethylamine derivatives

Naftidrofuryl citrate and therapeutic applications

Process for preparing α-hydroxy-acids and compounds obtained by this process

PARCOR

16-Hydroxy aspidospermidines and a process for their production

Preparation of vincamine and related alkaloids

4,5,6,7-Tetrahydro-thieno[3,2-c]-pyridine derivatives and process for their preparation

SANOFI SYNTHELABO

Intermediates and process for the preparation thereof

SANOFI ELF

Process for preparing (E)-2-propyl-2-pentenoic acid and intermediate compounds