作者:Martta Asikainen、William Lewis、Alexander J. Blake、Simon Woodward
DOI:10.1016/j.tetlet.2010.10.013
日期:2010.12
Reaction of cuprates derived from R3MgBr/CuI/LiBr (R3 = n-alkyl) with R1CCCH(O2CR2)2 (R1 = sp2 hybridised substituent, R2 = mainly Me, alkyl, Ph) provides access to allenyl esters R1R3CCCH(O2CR2) (51–88%). Such species are not accessible via rearrangement of precursor propargylic R1R3C(O2CR2)CCH.
衍生自R 3 MgBr / CuI / LiBr(R 3 = 正烷基)的铜酸盐与R 1 CCCH(O 2 CR 2)2(R 1 = sp 2杂合取代基,R 2 =主要为Me,烷基,Ph)的反应提供了访问烯丙基酯R 1 R 3 CCCH(O 2 CR 2)(51–88%)的途径。通过前体炔丙基R 1 R 3 C(O 2 CR 2)CCH的重排不能获得此类物质。