Trisubstituted piperazin-2,5-diones

Details Trisubstituted piperazin-2,5-diones Trisubstituted piperazin-2,5-diones

1991-01-28

1993-05-25

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

560 19, 562443, C07D24108

Patent

active

052141454

ABSTRACT:
Disclosed is a process for preparation of an amino acid, such as phenylalanine, with a high degree of optical purity. The process makes use of the same amino acid as a chiral template.

REFERENCES:
patent: 4293648 (1981-10-01), Davino
patent: 4634790 (1987-01-01), Shinohara et al.
patent: 4668625 (1987-05-01), Cambiaghi et al.
patent: 4677220 (1987-06-01), Tou et al.

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