Abstract

[103559-91-7] C6H13BrMgSi (MW 217.49) InChI = 1S/C6H13Si.BrH.Mg/c1-5-6-7(2,3)4;;/h1,6H2,2-4H3;1H;/q;;+1/p-1 InChIKey = JWCDJYURBYAXLU-UHFFFAOYSA-M [7681-65-4] CuI (MW 190.45) InChI = 1S/Cu.HI/h;1H/q+1;/p-1 InChIKey = LSXDOTMGLUJQCM-UHFFFAOYSA-M (used in methylenecyclopentane annulation via conjugate addition to enones;2b can serve as hydroxymethylvinyl anion equivalent3) Preparative Method: copper(I) iodide-catalyzed reactions of 2-(3-trimethylsilyl-1-propenyl)magnesium bromide 1 have been carried out in ether or THF by combining 1 with a catalytic amount of Copper(I) Iodide at −30 to 0 °C. Two different preparations of 1 have been reported.2a,3 Handling, Storage, and Precautions: use in a fume hood.

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