Heterocyclic syntheses with allene-1,3-dicarboxylic esters and acids : new chromene, chromone, quinolone, α-pyrone and coumarin syntheses
作者:Neil S. Nixon、Feodor Scheinmann、John L. Suschitzky
DOI:10.1016/s0040-4039(00)81474-4
日期:1983.1
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.