Process for purifying 1-[N.sup.2 -((S)-ethoxycarbonyl)-3-phenylp

Details Process for purifying 1-[N.sup.2 -((S)-ethoxycarbonyl)-3-phenylp Process for purifying 1-[N.sup.2 -((S)-ethoxycarbonyl)-3-phenylp

1996-03-18

1997-04-01

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548534, 548535, C07D20720

Patent

active

056167270

ABSTRACT:
A process for purifying 1-[N.sup.2 -((S)-ethoxycarbonyl)-3-phenylpropyl)-N.sup.6 -trifluoroacetyl]-1-lysyl-1-proline by extraction and crystallization. The process includes a two step extraction in a two phase aqueous/organic solvent system and crystallization from organic solvent.

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