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关注：1
2013-05-23 12:21
求翻译：propan-1,3-dione in 1000L ethanol 37 was added 76 Kg Hydroxylamine hydrochloride 38. The mixture was stirred for 1 hour and evaporated to dryness. The residue was dissolved in dichloromethane and washed with water, separation and the organic layer was evaporated to dryness and the residue was recrystallized with 2000L 是什么意思？ 待解决
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- 离问题结束还有
propan-1,3-dione in 1000L ethanol 37 was added 76 Kg Hydroxylamine hydrochloride 38. The mixture was stirred for 1 hour and evaporated to dryness. The residue was dissolved in dichloromethane and washed with water, separation and the organic layer was evaporated to dryness and the residue was recrystallized with 2000L
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2013-05-23 12:21:38
丙烷千升乙醇37-1 ,3-二酮增加了76公斤盐酸羟胺38。混合搅拌1小时，蒸干。残留物溶解在二氯甲烷和洗涤水，分离和有机层被蒸发干燥和残留2000升环己烷重结晶，过滤的给405公斤作为一种白色固体isoxaflutole 39。
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2013-05-23 12:23:18
异丙 醇-1,3- 1000l的dione添加乙醇3776公斤盐酸hydroxylamine38。 得到的混合物蒸发引起的时间不超过1小时,干燥。 在残留物被解散,二氯甲烷和水清洗、分类,以及有机层的蒸发残留物,干燥和器尖端是与2000年lcyclohexane,和过滤,使405公斤isoxaflutole39作为一个白色固体。
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2013-05-23 12:24:58
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2013-05-23 12:26:38
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2013-05-23 12:28:18
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