请问在反应釜中浓缩蒸发后结块怎么办? add anti-solvent, like hexanes, before solid precipitate out. then remove dichloromethane slowly. the product should form slurry in your reactor, then filter and dry. [br][br]-----------------------------------------[br]本贴已奖励 用户操作:金钱1,经验1,魅力1 操作者:godsfather查看更多