Patent · US Expired

N-substituted cyclopeptide derivatives and preparation thereof

US4237045A · kind A · utility

3Cited by

0References

2Claims

0Family size

Assignee

Amerimas Home Products, Inc. · US

Inventors

Amedeo A. Failli · Princeton Junction, US
Hans U. Immer · Mount Royal, CA
Manfred Götz · Brakel, DE

Key dates

Filing date	Sep 11, 1978
Grant date	Dec 2, 1980
Priority date	—
Expiry date	Sep 11, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S930/29
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The N-substituted cyclopeptide derivatives of formula I ##STR1## in which R.sup.1 is lower alkyl, R.sup.2 is lower alkyl or cyclo(lower)alkyl, R.sup.3 is a neutral amino acid side chain and Y is a peptide residue having three to nine amino acid residues and a method for the preparation of the compounds of formula I are disclosed. The compounds of formula I are useful antibacterial and antifungal agents. Pharmaceutical compositions also are disclosed.

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