Linear derivatives of arginine vasopressin antagonists

US5055448A · kind A · utility

Assignees

• Medical College of Ohio · US
• COLUMBIA UNIVERSITY · US

Inventors

• Maurice Manning · Toledo, US
• Wilbur H. Sawyer · Scarsdale, US

Key dates

• Filing date: Jun 25, 1987
• Grant date: Oct 8, 1991
• Expiry date: Jun 25, 2007

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K38/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds acting as antagonists of the antidiuretic/and or vasopressor activity of arginine vasopressin are those of the formula EQU A--CH.sub.2 CO--D--Tyr(R)--Phe--Y--Asn--T--U--Z--Q wherein A is a-adamantyl, cyclohexyl, cyclopentyl, 1-mercaptocyclohexyl, 1-mercaptocyclopentyl, 1-ethyl-1-mercaptopropyl, yclohexylmethyl, cyclopentylmethyl, methyl, isopropyl, tert-butyl or phenyl; R is alkyl of 1-4 carbon atoms; Y is Val, Ile, Thr, Ala, Lys, Cha, Nva, Met, Nle, Orn, Ser, Asn, Gln, Phe, Tyr, Gly, Abu or Leu; T is Pen, Abu, Orn, Oys, Arg, Ala, Cha or Thr; U is Pro, Arg, Lys or Orn or a single bond; Z is (d-or L-) Arg, Orn or Lys and Q is Gly(NH.sub.2), Arg (NH.sub.2), Orn(NH.sub.2), Lys (NH.sub.2), (D- or L-)Ala(NH.sub.2), Ser(NH.sub.2), Val(NH.sub.2), Phe(NH.sub.2), Ile(NH.sub.2), Thr(NH.sub.2), Pro(NH.sub.2), Tyr(NH.sub.2), NH.sub.2, OH, NHR, NGbzl, NH(CH.sub.2).sub.p NH.sub.2 or NH(CH.sub.2).sub.p OH, wherein R is as above and p is an integer from 2 to 6. Compounds wherein T is Cys have similar activity.