Paromomycin containing compounds and method of use

US4337248A · kind A · utility

Assignee

• Farmitalia Carlo Erba S.p.A. · IT

Inventors

• Carlo Battistini · Milano, IT
• Giuseppe Cassinelli · Pavia, IT
• Giovanni Franceschi · Milano, IT
• Rosanna Mazzoleni · Milano, IT
• Federico Arcamone · Milano, IT

Key dates

• Filing date: Jun 4, 1980
• Grant date: Jun 29, 1982
• Expiry date: Jun 4, 2000

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A50/30
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds are disclosed of the formula ##STR1## wherein R.sub.1 represents a hydrogen or chlorine atom, as well as intermediates. These include 4'-deoxy-paromomycin; 4'-deoxy-4'-epi-chloro-paromomycin; 4'-deoxy-4'-epi-chloro-penta-N-benzyloxycarbonylparomomycin; 4'-deoxy-penta-N-benzyloxycarbonylparomomycin; 6,3',2",5",3"',4"'-hexa-O-acetyl-6'-O-benzoyl-4'-deoxy-penta-N-benzyloxyca rbonylparomomycin; 6,3',2",5",3"',4"'-hexa-O-acetyl-6'-O-benzoyl-4'-epi-chloro-4'-deoxy-penta -N-benzyloxycarbonylparomomycin; 6,3',2",5",3"',4"'-hexa-O-acetyl-6'-O-benzyl-penta-N-benzyloxycarbonylparo momycin; 6,3',2",5",3"',4"'-hexa-O-acetyl-6'-O-benzoyl-4'-O-[(methylthio)-thiocarbo nyl]-penta-N-benzyloxycarbonylparomomycin; and 6,3',2",5",3"',4"'-hexa-O-acetyl-6'-O-benzoyl-4'-O-[(phenylthio)-thiocarbo nyl]-penta-N-benzyloxycarbonylparomomycin. The compounds illustrated by the structural formula are useful in treating amoebic dysentery in man and animals.