FIELD: production of nonapeptide ethyl amide having high LH-RH/FSH-RH activity. SUBSTANCE: compound having formula is prepared by condensation of peptide fragments having formula and formula H-Tyr-D-Ser(But)-Leu-Arg-Pro-NH-C2H5. The process is followed by purification and isolation. EFFECT: improved efficiency.
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Authors
Dates
1997-08-10—Published
1995-09-25—Filed