Process for splitting the L-(-)-.alpha.-phenylethylamine salt of

Details Process for splitting the L-(-)-.alpha.-phenylethylamine salt of Process for splitting the L-(-)-.alpha.-phenylethylamine salt of

1975-09-26

1980-02-26

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11708

Patent

active

041905920

ABSTRACT:
A process for splitting the L-(-)-.alpha.-phenylethylamine salt of D-(-)-.alpha.-azidophenylacetic acid which comprises the steps of mixing the salt with a liquid diluent and an acidic cation exchange material, effecting agitation of the resulting admixture and therefore isolating a highly purified D-(-)-.alpha.-azidophenylacetic acid. This acid product is characterized by an amine content of less than 0.2% by weight.

REFERENCES:
patent: 3772364 (1973-11-01), Bison et al.
Dow Chemical Co., Dowex: Ion Exchange (1958), pp. 3, 20.

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