这个反应为什么不在硝基α位烷基化?机理是什么? 以下是引用 gentleseven 在2008-3-11 16:07:00的发言: sorry, it is 7-membered ring, isn't it? apart from this, on the top of my head, i donot think ester enolate is favoured comparing to low pka on the carbon adjacent to the nitro group. lda的作用下得到的负离子后有个共振稳定的形式? 查看更多