Reactions of 3-alkyl- and 3,3-dialkyl-1-bromoallenes with organocuprates: Effects of the nature of the cuprate reagent on the regio- and stereoselectivity
作者:Anna Maria Caporusso、Carmela Polizzi、Luciano Lardicci
DOI:10.1016/s0040-4039(00)96867-9
日期:1987.1
Organocuprates induce 1,3- and direct substitution in 3-alkyl- and 3,3-dialkyl-1-bromo-1,2-dienes leading respectively to either terminal acetylenes or allenic hydrocarbons. The nature of the cuprate exerts a prominent role in determining both the regio- and the stereochemistry of these reactions.
Action des organomagnesiens sur les ethers-oxydes propargyliques en presence de bromure cuivreux: synthese de carbures alleniques
作者:Jean-Louis Moreau、Marcel Gaudemar
DOI:10.1016/s0022-328x(00)82136-1
日期:1976.3
Grignardreagents react, in ether and at room temperature, with propargylic ethers, to give allenic hydrocarbons with reasonable yields. The reactions requires catalytic amounts of copper(I) bromide.