Synthesis of novel 1-aryl[1]benzoxepino[5,4-<i>c</i>]pyrazole and [1]benzoxepino[5,4-<i>d</i>]pyrimidine derivatives
作者:Fabio Chetoni、Federico Da Settimo、Concettina La Motta、Giampaolo Primofiore
DOI:10.1002/jhet.5570300632
日期:1993.12
Several 1-aryl[1]benzoxepinopyrazoles were prepared by reaction of 4-hydroxymethylene[1]benzoxepin-ones with appropriate phenylhydrazine hydrochlorides. The direct condensation of hydroxymethylenebenz-oxepinones with variously substituted amidines failed to give benzoxepinopyrimidines. These compounds were obtained via the key intermediates morpholine enaminobenzoxepinones.