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. 06, 2014
Filed:
Mar. 26, 2010
Applicants:
Abhishek Sharma, Palampur, IN;
Arun Kumar Sinha, Palampur, IN;
Rakesh Kumar, Palampur, IN;
Naina Sharma, Palampur, IN;
Inventors:
Abhishek Sharma, Palampur, IN;
Arun Kumar Sinha, Palampur, IN;
Rakesh Kumar, Palampur, IN;
Naina Sharma, Palampur, IN;
Assignee:
Council of Scientific and Industrial Research, New Delhi, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 39/215 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for the preparation of some novel multiconjugated 2- or 4-hydroxy substituted stilbenes. The method provides one pot multicomponent approach wherein 3-4 step reaction sequences viz. condensation, decarboxylation and Heck coupling occur simultaneously which results in an enhanced yield of desired products and reduced reaction times.