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:
Jul. 16, 2013
Filed:
Aug. 19, 2009
Applicants:
Junyi Liu, Beijing, CN;
Yansheng Du, Westfield, IN (US);
Inventors:
Junyi Liu, Beijing, CN;
Yansheng Du, Westfield, IN (US);
Assignee:
Chemigen, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 69/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing caffeic acid phenyl ester and its analogues, which includes the steps of: (i) reacting, in a solvent, a salt of a compound of formula (II) with an organic halide having the formula X—R-Ain the presence of an iodide catalyst having the formula M-I to produce caffeic acid phenyl ester or its analogue, wherein A1, R1, Q, Y, X, R2, and M are defined herein; and (ii) isolating the caffeic acid phenyl ester or its analogue from the solvent.