Influence of the gegenion in the transme
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AndrΓ© Chieffi; JoΓ£o V. Comasseto
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Article
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1994
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Elsevier Science
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French
β 273 KB
Dilithium cyanocuprates R\*LCu(CN)Li2 (L=2-Th, Me) react with vinylic tellurides of Z configuration, RCH=CHTeRl to give higher order vinylic cyanocuprates, [(RCH=CH)LCu(CN)Li2]. By changing the gegenion from lithium to magnesium [R2LCu(CN)LiMgBr or R2LCu(CN)(MgBr)2] the reaction gives cross -couplin