Vinylic substitution on troponoid catalyzed by palladium complexes, and formation of new C-pd σ-complexes of troponoid
作者:Hiroshi Horino、Naoto Inoue、Toyonobu Asao
DOI:10.1016/0040-4039(81)80139-6
日期:1981.1
The reaction of 3-, 4- and 5-halotropolones with olefins catalyzed by palladium (O) complex gave 3-, 4- and 5-(substitutedvinyl) tropolones respectively. Similarly, 2-chlorotropone gave 2-styryltropones. Some tropolonyl- and troponylpalladium-σ-complexes were synthesized.
Thermal reactions of cyclopropenone ketals. Key mechanistic features and scope of the cycloaddition reactions of delocalized singlet vinylcarbenes: three-carbon 1,1-/1,3-dipoles