2-azido-3-benzyloxy propionic benzyl ester, a process for...

Details 2-azido-3-benzyloxy propionic benzyl ester, a process for... 2-azido-3-benzyloxy propionic benzyl ester, a process for...

C - Chemistry, Metallurgy

07

C

260/526.1, 260/4

C07C 101/30 (1985.01) C07C 117/08 (1985.01)

Patent

CA 1184193

ABSTRACT OF THE DISCLOSURE The present invention provides 2-azido-3-benzyloxy- propionic acid benzyl ester, which is a valuable intermediate product for the production of D,L-serine or derivatives of D,L- serine. The compound is produced by reacting 2-chloro-acrylo- nitrile with twice the molar amount of benzyl alcohol to 3- benzyloxy-2-chloro-propionic acid imino-benzyl ester, which is then acidically saponified to 3-benzyloxy-2-chloro-propionic acid benzyl ester and finally the chlorine atom is exchanged for an azido group by reaction with an alkali metal azide in the presence of a phase transfer catalyst.

411088

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