作者: Bruce E. Kahn , Reuben D. Rieke
DOI: 10.1016/0022-328X(88)80144-X
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摘要: Abstract Active uranium, prepared in hydrocarbon solvents from UCl 4 and [(TMEDA)Li] 2 [naphthalene] is a novel reducing agent. The unprecedented stepwise reduction of benzil benzoin to bibenzyl has been shwon proceed via the unsaturated species diphenylacetylene, cis -stilbene, trans -stilbene. uranium also effects oligomerizations diphenylacetylene