Patent · US Expired

Cyclic peptide antifungal agents

US5618787A · kind A · utility

12Cited by
4References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1996
Grant dateApr 8, 1997
Priority date
Expiry dateMar 8, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Provided are pharmaceutical formulations, and methods of inhibiting fungal and parasitic activity using a compound of formula I ##STR1## wherein: R', R", R'", R.sup.x1, R.sup.x2, R.sup.y1, R.sup.y2, R.sup.y3, R.sup.y4 and R.sup.0 are as defined hereinabove; and R.sup.2 is ##STR2## R.sup.3 is ##STR3## R.sup.3a, R.sup.3b, R.sup.3c and R.sup.3d are independently hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkynyl, C.sub.1 -C.sub.12 alkoxy, C.sub.1 -C.sub.12 alkylthio, halo, or --O--(CH.sub.2).sub.m --[O--(CH.sub.2).sub.n ].sub.p --O--(C.sub.1 -C.sub.12 alkyl) or --O--(CH.sub.2).sub.q --X--R.sup.4 ; m is 2, 3 or 4; n is 2, 3 or 4; p is 0 or 1; q is 2, 3 or 4; X is pyrrolidino, piperidino or piperazino; and R.sup.4 is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.12 cycloalkyl, benzyl or C.sub.3 -C.sub.12 cycloalkylmethyl; or a pharmaceutically acceptable salt thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.