在制备脱 α-锂化还原脱二苯基硫缩醛 a l'aide du dimethylamino-1 naphtalenure de 锂,性状 de l'anion 生成 par Me 3 SiCl 等锂化还原 de l'α-(苯硫基) 硅烷对应物。La 反应 des 组成 obtenus avec les 醛和 les cetones 管道 aux alcools precurseurs des 烯烃
Construction of a quaternary carbon at the carbonyl carbon of the cyclohexane ring
作者:Yuki Kaneko、Yohei Kiyotsuka、Hukum P. Acharya、Yuichi Kobayashi
DOI:10.1039/c0cc00653j
日期:——
High S(N)2' selectivity in the allylicsubstitution of cyclohexylidene ethyl picolinates with copper reagents prepared from RMgBr and CuBr.Me(2)S was realized by addition of ZnX(2) (X = I, Br, Cl). Furthermore, ZnX(2) accelerated the reaction with the bulky iPr reagent.