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wangjieru金虫 (小有名气)
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[求助]
翻译一段文献,谢谢各位大神!!!
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wangjieru: 金币+10, 翻译EPI+1, ★有帮助, 有的词还是不能懂,,比如stdg. 2013-10-16 09:02:13
phu_grassman: 金币+5, thanks for your kind help 2013-11-03 12:08:04
wangjieru: 金币+10, 翻译EPI+1, ★有帮助, 有的词还是不能懂,,比如stdg. 2013-10-16 09:02:13
phu_grassman: 金币+5, thanks for your kind help 2013-11-03 12:08:04
| Representation of the diamides 10 and 11: To 1.71 g (10.0mmol) 2.2 '-Iminodipyridin in l00ml abs. Diethyl ether is added at room temp. slowly 2.5 mmol of 2,6-pyridinedicarbonyl dichloride or Diglycolsaeuredichlorid in 40 ml of absol. Diethyl ether. After refluxing for 1 stdg. distilling the solvent, in vacuo. off and the residue is washed with water. After filtering, we obtain a crude solid, which was recrystallized from dimethylformamide or ethanol (see Tabb. 1, 3 and 4). |
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