Blocked Rotation in Hexaisopropylbenzene. Evidence for Cyclobutatidene Intermediates in the Trimerization of Diisopropylacetylene by dicobalt Octacarbonyl
作者:Edward M. Arnett、J. Martin. Bollinger
DOI:10.1021/ja01075a046
日期:1964.11
Stable carbocations. 260. Friedel-Crafts isomerization. 17. Gallium trichloride and superacid-catalyzed isomerization of mixed hexaalkylbenzenes and NMR spectroscopic study of the intermediate hexaalkylbenzenium ions and related hexa- and heptaalkylbenzenium ions
作者:George A. Olah、Khosrow Laali、George Adler、Robert J. Spear、Richard Schlosberg、Judith A. Olah
DOI:10.1021/jo00208a034
日期:1985.4
Barrier to internal rotation in 1,2-bis(bromochloromethyl)-3,4,5,6-tetraisopropylbenzene
作者:Silvio E. Biali、Kurt Mislow
DOI:10.1021/jo00241a039
日期:1988.3
The first cobalt catalyzed [2 + 2 + 2] alkyne cyclotrimerization in aqueous medium at room temperature
作者:Li Yong、Holger Butenschön
DOI:10.1039/b207978j
日期:——
Chelate complex 1 (5 mol%) was found to catalyze the [2 + 2 + 2] cyclization of terminal alkynes in good yields in a 80/20 mixture of water and ethanol at room temperature without further activation.