6 卤代烃 CH3 CH3 转化 CHg-C-C1 →CH3-C-C00H CH3 CH3 1. CH3 CH3 CH3 CH3 Mg CH3-C-C1千醚 H*,H20 CH3-C-MgC1 CO2CHC-COOMgX CH3-C-COOH 干醚 CH3 CH3 CH3 CH3 2. CH3 CH3 CH3 CHa-C-C1-NacNCHC-CN H,2 CHg-C-COOH CH3 CH3 CH3 ×× Mg 干 醚 干 醚 CO2 H + ,H2 O CH3 MgCl CH3 CH3 C CH3 COOMgX CH3 CH3 C CH3 CH3 CH3 C Cl C COOH CH3 CH3 CH3 H + ,H2 O CH3 CH3 CH3 C COOH NaCN CH3 CN CH3 CH3 C Cl C CH3 CH3 CH3 C COOH CH3 CH3 C Cl CH3 CH3 CH3 CH3 转化 ת»¯ 1. 2. 6 卤代烃