Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...
Constant rain forced the abandonment of the next day's competitions.连绵阴雨致使翌日各项赛事被迫中止。...memories of her father's complete abandonment of her.对父亲完全弃她不顾的回忆Lack of money led to the abandonment of this plan.由于缺乏经费,...