有机反应竞赛2——请写出反应的操作过程!? 我试试啊,没有文献参考,凭感觉来的,外包操作,粗犷原生态啊哈哈。 to a solution of base in dry thf was added a solution of dione in dry thf dropwise under ice- water bath. after it was stirred for 30 mins, a solution of 2-chloroacetaldehyde in dry thf was added into the mixture slowly. after addition,the mixture was gradually warmed to room temperature and sitrred at ambient temperature for 2 h. the mixture was poured into water, extracted with ea, the organic layer was combined ,dried over na2so4, concentrated to dryness. the residue was dissolved in pocl3, heated at 60 o c for 1 h. the reaction mixture was added into water dropwise while stirring. the resulting mixture was extracted with ea, the organic layer was combined ,dried over na2so4, concentrated to dryness. the residue was purified by some methods to afford desire product.查看更多