Process for the resolution of the racemate S-(carboxymethyl)-(RS

Details Process for the resolution of the racemate S-(carboxymethyl)-(RS Process for the resolution of the racemate S-(carboxymethyl)-(RS

1982-08-25

1983-10-25

Reamer, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562401, C07C 9912

Patent

active

044118406

ABSTRACT:
There is described the resolution of the racemate S-(carboxymethyl)-(RS)-cysteine. It is carried out by means of the optical isomers of 1-phenyl-ethylamine. This process makes it possible to obtain in a simple manner S-(carboxymethyl)-(R)-cysteine which is important for pharmaceutical purposes and is made from synthetically produced cysteine.

REFERENCES:
patent: 3808268 (1974-04-01), Rambacher et al.
patent: 4224457 (1980-09-01), Iwao et al.
patent: 4245117 (1981-01-01), Scherberich
Vigneaud, J. Amer. Chem. Soc. vol. 52, pp.4500-4504 (1930).
Armstrong, J. Org. Chem. vol. 16, pp. 749-753 (1951).
Org. Syntheses, vol. 5 (1925), pp. 39-40._

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