Oligomerization catalysts. III. Cyclocodimerization of conjugated dienes with acetylenic hydrocarbons catalyzed by iron (0) complexes. Synthesis of 1, 2-diphenyl-1, 4- …
A Carbonaro, A Greco, G Dall'Asta
Index: Carbonaro,A. et al. Journal of Organic Chemistry, 1968 , vol. 33, # 10 p. 3948 - 3950
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Citation Number: 51
Abstract
Our studies have now been extended to acetylenic hydrocarbons, which were found to cyclotrimerize and to cyclocodimerize with conjugated dienes by the action of Fe (COT) 2. 2- Butyne and diphenylacetylene (tolane) were cbyclotrimerized to hexamethylbenzene and to hexaphenylbenzene, respectively. Both acetylenic compounds were cyclocodimerized with 1, 3-butadiene to 1, 2-disubstituted 1, 4-cyclohexadienes. In this note we also report the ...
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[Ohkubo, Mutsumi; Uchikawa, Wataru; Matsushita, Hitomi; Nakano, Aiko; Shirato, Takayuki; Okamoto, Sentaro Tetrahedron Letters, 2006 , vol. 47, # 29 p. 5181 - 5185]