Pyrimido (6,1-a)isoquinolin-4-one derivatives

US4482556A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Bansi Lal · Yellandu, IN
• Horst Dornauer · Yellandu, IN
• Bani K. Bhattacharya · Yellandu, IN
• Alihussein N. Dohadwalla · Yellandu, IN
• Noel De Souza · Mumbai, IN

Key dates

• Filing date: Mar 26, 1980
• Grant date: Nov 13, 1984
• Expiry date: Mar 26, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/6561
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

What are disclosed are pyrimido (6,1-a)isoquinolin-4-one compounds useful as hypotensive agents, bronchodilators, and anti-allergenics, intermediates useful in their preparation, and methods for making the compounds and intermediates.