
Tetrahedron Letters p. 597 - 600 (1983)
Update date:2022-08-02
Topics:
Nixon, Neil S.
Scheinmann, Feodor
Suschitzky, John L.
Allene-1,3-dicarboxylic esters and acids have been converted into chromenes, chromones, an α-pyrone and a coumarin by reactions with phenols and to quinolones by reaction with aniline derivatives.A novel chromene<*>coumarin rearrangement is also reported.
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