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.