Enantioselective Annulations for Dihydroquinolones by in Situ Generation of Azolium Enolates
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资源简介：
A convergent, catalytic asymmetric formal [4 + 2] annulation for the synthesis of dihydroquinolones has been developed. Carboxylic acids can be employed as precursors to NHC enolates through an in situ activation strategy. Simultaneous generation of a reactive aza-o-quinone methide under the basic conditions employed for NHC generation leads to a dual activation approach.
创建时间：
2015-12-17
