Enolate Ions as β-Activators of Ortho-Metalation: Direct Synthesis of 3-Aminoindenones
作者:Nadim E. Kayaleh、Ramesh C. Gupta、Francis Johnson
DOI:10.1021/jo991968k
日期:2000.7.1
condensation of benzoate esters with alkyl- or phenylacetonitriles lead to 3-aminoindenones in the presence of excess LDA. This new reaction is also applicable to pyridine carboxylic esters. All of the 3-aminoindenones and their aza analogues can be hydrolyzed by acid to give the corresponding 1,3-indandiones. The mechanism of the reaction falls into the directed-ortho-metalation class in which the initial
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