Process for preparation, isolation and purification of dipeptide

Details Process for preparation, isolation and purification of dipeptide Process for preparation, isolation and purification of dipeptide

1982-12-13

1984-08-14

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10352

Patent

active

044656262

ABSTRACT:
Aromatic sulfonic acid salts of certain dipeptide sweeteners which are L-aspartyl-D-alaninamides or L-aspartyl-D-serinamides, each substituted on amide nitrogen with an organic radical having a highly branched carbon skeleton; the process for preparing said salts by crystallization; and utilization of this crystallization process in processes for the preparation, isolation and purification of said amides.

REFERENCES:
patent: 3678026 (1972-07-01), Ariyoshi et al.
patent: 3808190 (1974-04-01), Daflamans et al.
patent: 4375430 (1983-03-01), Sklavounos
Ariyoshi et al., Bull. Chem. Soc., Japan 46, pp. 1893-1895.

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