Preparation of 3-acyl-3-cyclobutene-1,2-diones and some related monoacetals
摘要:
3-(Tri-n-butylstannyl)-3-cyclobutene-1,2-diones and 4-methyl-3-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione 2-ethylene acetal participate in palladium/copper-cocatalyzed cross-coupling with acyl halides and in palladium-catalyzed carbonylative cross-coupling with aryl/heteroaryl iodides. The derived 3-acyl-3-cyclobutenediones and cyclobutenedione monoacetals should extend the potential of cyclobutenedione-based synthetic organic methodology.
Preparation of 3-acyl-3-cyclobutene-1,2-diones and some related monoacetals
作者:Lanny S. Liebeskind、Marvin S. Yu、Richard W. Fengl
DOI:10.1021/jo00065a016
日期:1993.6
3-(Tri-n-butylstannyl)-3-cyclobutene-1,2-diones and 4-methyl-3-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione 2-ethylene acetal participate in palladium/copper-cocatalyzed cross-coupling with acyl halides and in palladium-catalyzed carbonylative cross-coupling with aryl/heteroaryl iodides. The derived 3-acyl-3-cyclobutenediones and cyclobutenedione monoacetals should extend the potential of cyclobutenedione-based synthetic organic methodology.