The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 1998
Filed:
May. 22, 1997
Applicant:
Inventors:
Peter Koch, Obertshausen, DE;
Wolfgang Bauer, Maintal, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ;
U.S. Cl.
CPC ...
549287 ; 560176 ;
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.