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[求助]
一小段常见实验操作的翻译，难度很小
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翻译内容请勿跟帖发布，麻烦用一个TXT文件上传附件，谢谢。 The title compd. (I) an intermediate for the AMK, is prepd. by reaction of II) with Ethylamine in the presence of Ethylamine.HCl at 20-60°. Ethylamine (g) was fed into a stirred soln.of 318 g II in 300 mL MeOH with addn. of 15 mL ethereal HCl at 55°. After feeding 314 g Ethylamine, the mixt. was held for 15h. Then, MeOH was distd. in vacuo, the mixt. was dild. with 300 mL C6H6, the soln. was filtered, and C6H6 was distd. in vacuo. The residue was dissolved in 480 mL Me2CO and acidified to pH 1 with ethereal HCl. After cooling for 15h, the ppt. was filtered to give 240 g I (62.2% yield). [ Last edited by chemlabs on 2012-3-20 at 15:04 ] |
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2楼2012-03-20 16:50:34
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wg423: 金币+1, 屏蔽内容, 楼主要求屏蔽帖子内容，望理解 2012-03-21 18:01:37
爱与雨下: 金币+25 2012-04-06 19:43:58
爱与雨下: , bb代发！ 2012-04-06 19:44:20
爱与雨下: 翻译EPI+1 2012-04-06 20:09:19
wg423: 金币+1, 屏蔽内容, 楼主要求屏蔽帖子内容，望理解 2012-03-21 18:01:37
爱与雨下: 金币+25 2012-04-06 19:43:58
爱与雨下: , bb代发！ 2012-04-06 19:44:20
爱与雨下: 翻译EPI+1 2012-04-06 20:09:19
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3楼2012-03-20 17:23:38