2.活泼氢D,0交换反应 3.介质效应 CDCL3溶液 OH>NH>SH H CH3 CH3 CH3 吡啶溶液 H3C CH3 2. 活泼氢D2O交换反应 3. 介质效应 OH>NH>SH 2 1 CDCl3溶液 2 1 吡啶溶液 O H3C CH3 OH CH3 CH3 CH3