Abstract: N-[N-[N-[N-[N-(5-Oxo-L-prolyl)-L-histidyl]-L-tryptophyl]-L-seryl]-L-tyrosyl ]glycine hydrazide trifluoroacetate is converted to N-[N-[N-[N-[N-(5-oxo-L-prolyl)-L-histidyl]-L-tryptophy]-L-seryl]-L-tyrosyl ]glycine azide, a useful intermediate for preparing LH and FSH releasing hormone.
Type:
Grant
Filed:
March 26, 1979
Date of Patent:
July 22, 1980
Assignee:
American Home Products Corporation
Inventors:
Hans U. Immer, Verner R. Nelson, Menfred K. Gotz