反应详情

Diamantane was prepared from norbornadiene by a modified route based on the procedure given in Grund, T. M.; Thielecke, W.; v. R. Schleyer, P. Org. Syn. 53, 30. Anhydrous cobalt bromide was prepared in 80% yield from cobalt carbonate and HBr. Cobalt bromide was then reacted with triphenylphosphine in toluene to give bis(triphenylphosphine)cobalt bromide in 88% yield; 1.3 Kg of this catalyst was prepared in a single reaction. Reaction of norbornadiene with the cobalt catalyst gave the dimer, Binor-S, in 68% yield, and approximately 1.5 Kg of this material was prepared.