|
关注：1
2013-05-23 12:21
求翻译：-4-trifluoromethylphenyl)propan-1,3-dione 490Kg triethylorthoformate 35 in 1000L acetic anhydride was stirred and heated at reflux for 3 hours. It was cooled and evaporated. The residue was treated with toluene and re-evaporated to dryness to give 670 Kg Intermediate 8 1-cyclopropyl-2-ethoxy-methylene-3-(2-methylsulph是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
-4-trifluoromethylphenyl)propan-1,3-dione 490Kg triethylorthoformate 35 in 1000L acetic anhydride was stirred and heated at reflux for 3 hours. It was cooled and evaporated. The residue was treated with toluene and re-evaporated to dryness to give 670 Kg Intermediate 8 1-cyclopropyl-2-ethoxy-methylene-3-(2-methylsulph
问题补充： |
|
2013-05-23 12:21:38
-4-三氟甲基苯基）丙烷-1,3 - 二酮490千克triethylorthoformate 35千升醋酸酐，搅拌，加热回流3小时。冷却和蒸发。再蒸干给第670笔资料公斤中间渣处理甲苯和8 1 - 环丙基二乙氧基甲基-3-（2-methylsulphonyl-4-trifluorom
|
|
2013-05-23 12:23:18
-4-trifluoromethylphenyl)异丙 醇-1,3- 迪奥内35490公斤triethylorthoformate醋酸酐在1000l震动了,加热回流3小时。 它是风冷式和蒸发。 这与甲苯残留物的处理和重新蒸发干燥,使670公斤,中间8-1-cyclopropyl-2-乙氧基喹啉-甲基-3-(2-methylsulphonyl-4-trifluorom
|
|
2013-05-23 12:24:58
|
|
2013-05-23 12:26:38
|
|
2013-05-23 12:28:18
|
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
