Carbonyl transposition on organoselenium compounds
作者:João V. Comasseto、Wai L. Lo、Nicola Petragnani
DOI:10.1016/s0040-4020(97)00454-7
日期:1997.6
Carbonyl conjugated vinylic selenides undergo 1,3 and 1,5-carbonyl transposition sequences through organometallic reagents addition reactions followed by acid hydrolysis.
Selenium in Organic Synthesis: A Novel Route to 1-Phenylselenobutadienes and 1,4-Dicarbonyl Compounds
作者:J. V. Comasseto、C. A. Brandt
DOI:10.1055/s-1987-27865
日期:——
Two approaches to 1-phenylseleno-1,3-butadienes 5 are reported, via phenylselenoalkenylidene phosphoranes and phenylselenoalkenals, respectively. 1,4-Dicarbonyl compounds are prepared from the 1-phenylselenobutadienes or from the phenylselenoalkenals.