C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
167/205, 530/7.0
C07K 7/16 (2006.01) A61K 38/00 (2006.01)
Patent
CA 1238314
PROCESS FOR PREPARING BASIC HEPTAPEPTIDE VASOPRESSIN ANTAGONISTS Abstract of the Disclosure Certain cyclic vasopressin antagonists, which have an .omega.-amino- or guanidinoalkyl substituent attached to the cysteine in the 6-position of a vasopressin-like ring, are prepared by the processes of this invention. A species pre- pared thusly is [1-(.beta.-mercapto-.beta.,.beta.-cyclopentamethylene- propionic acid)-2-(O-ethyl-D-tyrosine)-4-valine-8-(1,5- diaminopentane)-8-desarginine-9-desglycinamide] vasopressin.
460840
Callahan James F.
Moore Michael L.
Yim Nelson C.
Gowling Lafleur Henderson Llp
Ltd. Smith Kline & French Canada
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