Why are benzimidazoles efficiently acylated with esters? Identification of a tetrahedral hemiacetal alkoxide intermediate
K Asakawa, JJ Dannenberg, KJ Fitch, SS Hall…
Index: Tetrahedron Letters, , vol. 46, # 30 p. 5081 - 5084
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Citation Number: 14
Abstract
... Tetrahedron Letters. ... In this letter, we present evidence that a tetrahedral intermediate of limited stability is responsible for the selective reaction and present a general method for the preparation of 2-acyl benzimidazoles. ... in: BM Trost (Ed.), Comprehensive Organic Synthesis, Vol. ...
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