C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/570.3, 260/5
C07C 95/00 (1985.01) C07C 149/24 (1985.01)
Patent
CA 1200556
IN THE CANADIAN PATENT & TRADEMARK OFFICE PATENT APPLICATION entitled: Process for synthesis of alpha alkyl amino aldehydes in the names of: Bertrand CASTRO Jean FEHRENTZ ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the preparation of alpha alkyl amino aldehydes of formula Image in which R is alkyl or aralkyl possibly substituted, characterized in that N,O-dimethylhydroxylamine is reacted, in a basic medium, on a blocked amine ester of an aminoacid of formula Image and in that the product obtained is reduced with the aid of a hydride such as the double hydride of lithium-aluminium.
433574
Castro Bertrand
Fehrentz Jean
Sim & Mcburney
Societe Anonyme Dite: Sanofi
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