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:
May. 04, 2004
Filed:
Jan. 14, 2003
Applicant:
Inventors:
Rakesh Vir Jasra, Gujarat, IN;
Muthusamy Sengodagounder, Gujarat, IN;
Yogiraj Mansukhlal Badheka, Gujarat, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/546 ; C07C 4/976 ;
U.S. Cl.
CPC ...
C07C 4/546 ; C07C 4/976 ;
Abstract
This invention relates to a process for the preparation of acylated aromatic ethers, in particular the acylation of anisole (methoxybenzene) and veratrole (1,2-dimethoxybenzene) for the preparation of corresponding acylated aromatic ether, namely, p-methoxyacetophenone and 3,4-dimethoxyacetophenone respectively, using clay based heterogeneous catalysts, and their lanthanide exchanged forms at moderate temperature and pressure with high selectivity.