Copper-catalyzed coupling reaction of unactivated secondary alkyl iodides with alkyl Grignard reagents in the presence of 1,3-butadiene as an effective additive
作者:Ruwei Shen、Takanori Iwasaki、Jun Terao、Nobuaki Kambe
DOI:10.1039/c2cc34847k
日期:——
Cu-catalyzed cross-coupling of unactivated secondary alkyl iodides with alkyl Grignard reagents in the presence of 1,3-butadiene as a ligand precursor was developed. The use of 1,3-butadiene resulted in improved yields of alkyl-alkyl products with improved selectivities.
铜催化的作为配体的前体的开发在1,3-丁二烯的存在下烷基格氏试剂未活化的仲烷基碘化物的交叉耦合。使用1,3-丁二烯导致改善的具有改进的选择性烷基 - 烷基的产品产率。