Tetrahedron Letters

Heterocyclic syntheses with allene-1, 3-dicarboxylic esters and acids: new chromene, chromone, quinolone, α-pyrone and coumarin syntheses

NS Nixon, F Scheinmann, JL Suschitzky

Index: Nixon, Neil S.; Scheinmann, Feodor; Suschitzky, John L. Tetrahedron Letters, 1983 , vol. 24, # 6 p. 597 - 600

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Citation Number: 23

Abstract

Abstract Allene l, 3-dicarboxylic esters and acids have been converted into chromenes, chromones, on a-pyrone and a coumarin by reactions with phenols and to quinolones by reaction with aniline derivatives. A novel chromene→ coumarine rearrangement is also reported.