‘Me2CuLi·TMSCl in CH2Cl2’. The most powerful methylating agent for sterically congested α,β-enoates
摘要:
The reaction of Me2CuLi with sterically congested alpha,beta-unsaturated esters in the presence of TMSCl in CH2Cl2 proceeded very smoothly to produce the conjugate addition products in high yields. (C) 2003 Elsevier Science Ltd. All rights reserved.