Patent · US Expired

Processes for preparing 1-methoxy-2-propyl 3-(7-diethylamino-2-oxo-2H-chromen-3-yl)-3-oxopropionate

US5767292A · kind A · utility

0Cited by

2References

16Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Peter Koch · Frankfurt, DE
Wolfgang Bauer · Krefeld, DE

Key dates

Filing date	May 22, 1997
Grant date	Jun 16, 1998
Priority date	—
Expiry date	May 22, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D311/16
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to processes for preparing 1-methoxy-2-propyl 3-(7-diethylamino-2-oxo-2H-chromen-3-yl)-3-oxopropionate of the formula I ##STR1## and also di(1-methoxy-2-propyl) acetonedicarboxylate as intermediate for one of the processes.

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