Palladium-Catalyzed Vinylation of Haloazulenes and Halotropolones with Olefins. Utility of the Heck Reaction in the Conjugated Carbon Chain Preparation
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.