2-Azido-3-benzyloxy-propionic acid-benzyl ester, process for its

Details 2-Azido-3-benzyloxy-propionic acid-benzyl ester, process for its 2-Azido-3-benzyloxy-propionic acid-benzyl ester, process for its

1982-08-25

1984-04-03

Brust, Joseph P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560170, 560 60, 562567, 2604537, C07C11700

Patent

active

044406860

ABSTRACT:
The subject matter of the invention is the new 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 new compound is produced by reacting 2-chloroacrylonitrile with twice the molar amount of benzyl alcohol to form 3-benzyloxy-2-chloropropionic acid imino benzyl ester, saponifying this with acid to form 3-benzyloxy-2-chloropropionic acid benzyl ester, and finally exchanging the chlorine atom by means of an alkali metal azide in the presence of a phase transfer catalyst for an azido group.

REFERENCES:
patent: 3471523 (1969-10-01), Harvey
patent: 3880922 (1975-04-01), Reinhold
patent: 3914261 (1975-10-01), Parker et al.
C. A., 96, (1982); Effenberger et al., 96:181591u.

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