Patent · US Expired

Process for preparing 5-imidazolyl ketones

US4459413A · kind A · utility

0Cited by

0References

2Claims

0Family size

Assignee

American Cyanamid Company · US

Inventors

Sivaraman Raghu · Norwalk, US
James A. Salvatore · Sutton, US
Steven L. Peake · New Canaan, US

Key dates

Filing date	Feb 11, 1983
Grant date	Jul 10, 1984
Priority date	—
Expiry date	Feb 11, 2003

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D487/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

This disclosure describes a novel process for the preparation of 1-(lower alkyl)substituted derivatives of 6-n-propyl-8-alkylimidazo[1,5-d]-as-triazin-4(3H)-ones which are useful as anti-asthmatic agents.

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