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Showing posts with label PhI(OAc)2. Show all posts
Showing posts with label PhI(OAc)2. Show all posts

Thursday, March 1, 2012

Tuesday, June 14, 2011

A Metal-Free Route to 2-Aminooxazoles by Taking Advantage of the Unique Ring Opening of Benzoxazoles and Oxadiazoles with Secondary Amines

A Metal-Free Route to 2-Aminooxazoles by Taking Advantage of the Unique Ring Opening of Benzoxazoles and Oxadiazoles with Secondary Amines
Toss an amine into the ring: A new metal-free protocol for the amination of oxazoles has been developed by using iodobenzene diacetate to couple various oxazoles with amines (see scheme). The reaction proceeds through a ring-opening and subsequent ring-closing pathway. The optimal conditions are very mild and the substrate scope is broad, producing a range of 2-aminooxazoles, an important pharmacophore with high bioactivity.



 Prof. Dr. Sukbok Chang, Chemistry, 2011, DOI: 10.1002/chem.201100910



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