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:
Mar. 15, 2016
Filed:
Feb. 14, 2012
Dennis Hall, Edmonton, CA;
Nicolas Gernigon, La Chapelle-sur-Erdre, FR;
Raed M. Al-zoubi, Irbid, JO;
Paul D. Thornton, Kingston, CA;
Dennis Hall, Edmonton, CA;
Nicolas Gernigon, La Chapelle-sur-Erdre, FR;
Raed M. Al-Zoubi, Irbid, JO;
Paul D. Thornton, Kingston, CA;
The Governers of the University of Alberta, Edmonton, Alberta, CA;
Greencentre Canada, Kingston, Ontario, CA;
Abstract
The present application provides methods and catalysts for activation of carboxylic acids for organic reactions. In particular, methods are disclosed for direct nucleophilic addition reactions, such as, amidation reactions with amines, cycloadditions, and conjugate additions, using boronic acid catalysts of formula I, II or III: Also included are novel boronic acid catalysts of formula IV, V and III: