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. 16, 2006
Filed:
Sep. 17, 2003
Applicants:
Kai Rossen, Hanau, DE;
Milan Latinovic, Nidda, DE;
Martin Sarich, Alzenau, DE;
Peter Gardner, Stockton-on-Tees, GB;
Simon Rowell, Brompton, GB;
Inventors:
Kai Rossen, Hanau, DE;
Milan Latinovic, Nidda, DE;
Martin Sarich, Alzenau, DE;
Peter Gardner, Stockton-on-Tees, GB;
Simon Rowell, Brompton, GB;
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
5-formyl-2-furylboronic acid is produced by a) adding a base to a composition containing a boric acid ester and 2-furaldehyde, thereby obtaining a reaction mixture and protecting the formyl group of said 2-furaldehyde with a protective group, b) working-up of the reaction mixture in an acidic medium, and c) isolating of the 5-formyl-2-furylboronic acid.