propanone造句

例句与造句

1. Synthesis of 1 - 3 - and 4 - fluoro - 2 , 6 - dimethylphenoxy propanone
   二甲基苯氧基丙酮的合成
2. Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone , which is the key intermediate of synthesizing the milrinone , a cardiotonic agent , was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis . the overall yield was 73 . 1 %
   文摘:报道了以4 -甲基吡啶为原料，经酰化和相转移催化水解反应制备强心药物米利酮关键中间体1 - ( 4 -吡啶基) - 2 -丙酮的新合成方法，总收率达73 . 1 %
3. It's difficult to find propanone in a sentence. 用propanone造句挺难的