Norborna-diene → HCID 101172629, 화합물

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반응 단계

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.

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