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RT，德文的文献看8懂，求助啦~ 附图省事 ，准确  反应方程式  [ Last edited by heitaoliu on 2010-10-22 at 16:23 ] |
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heitaoliu(金币+30, 翻译EPI+1):8错，OK 2010-10-22 17:41:09
| 13.0g (46mmol) of 7 with 44.5g (0.25mol) of NBS and a catalytical amount of dibenzoyl peroxide ( ca. 2g in several portions) in 500ml CCl4 were heated under reflux for 4 days. After filtration of the precipitated succinimide and distillation of the solvent, the residue was crystallized from ethylmethyl ketone. A second crop of the product was obtained through concentration of the mother liquid. Yield 16.8 g (61%). For analytical and spectroscopic data, see Literature(10). |
2楼2010-10-22 16:47:45
