Boronic Acid Catalysts and Methods of Use Thereof for Activation and Transformation of Carboxylic Acids
申请人:Hall Dennis
公开号:US20140142322A1
公开(公告)日:2014-05-22
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:
本申请提供了激活羧酸进行有机反应的方法和催化剂。具体而言,揭示了使用式I、II或III的硼酸催化剂进行直接亲核加成反应的方法,例如与胺的酰胺化反应、环加成反应和共轭加成反应。还包括式IV、V和III的新型硼酸催化剂。