| 查看: 475 | 回复: 1 | ||
| 本帖产生 1 个 翻译EPI ,点击这里进行查看 | ||
[求助]
求翻译啊,谢谢!!
|
||
|
9,10-Bis(chloromethyl)anthracene. To a stirred mixture of anthracene (1.78 g, 10 mmol), anhydrous ZnCl2 (1.64 g, 12 mmol), and paraformaldehyde (1.50 g, 50 mmol) in dioxane (20 mL) was slowly added concentrated aqueous hydrochloric acid (40 mL) at room temperature. The mixture was gentle refluxed for 3 h and allowed to stand for 16 h at room temperature. The resulting fine granular solid was separated by filtration and washed with H2O and dioxane to afford the crude product. The crude product was recrystallized from toluene to give a yellowish solid (1.81 g, 64.1%). 1H NMR (500 MHz, CDCl3): d 8.40 (m, 4H), 7.62 (m, 4H), 5.61 ppm (s, 4H). 9,10-Bis(diethoxylphosphorylmethyl)anthracene. A mixture of 9,10-bis(chloromethyl)anthracene (7.80 g, 28.3 mmol) and triethyl phosphite (50 mL) was stirred and gently refluxed overnight. The excess triethyl phosphite was removed by distillation under reduced pressure. The crude product was separated by silica gel column chromatography using ethyl acetate/petroleum ether (1/1, v/v) as the eluent. A yellow solid was obtained (10.4 g, 76.8%). 1H NMR (500 MHz, CDCl3): d 8.32 (d, 4H), 7.53 (d, 4H), 4.21 (q, 8H), 3.78 (d, 4H), 1.11 ppm (t, 12H). |
» 猜你喜欢
投稿Elsevier的Neoplasia杂志,到最后选publishing options时页面空白,不能完成投稿
已经有22人回复
申请26博士
已经有5人回复
职称评审没过,求安慰
已经有22人回复
垃圾破二本职称评审标准
已经有15人回复
EST投稿状态问题
已经有7人回复
毕业后当辅导员了,天天各种学生超烦
已经有4人回复
聘U V热熔胶研究人员
已经有10人回复
求助文献
已经有3人回复
投稿返修后收到这样的回复,还有希望吗
已经有8人回复
三无产品还有机会吗
已经有6人回复
ssssllllnnnn
至尊木虫 (知名作家)
Translator and Proofreader
- 翻译EPI: 1690
- 应助: 452 (硕士)
- 金币: 31580.9
- 红花: 100
- 帖子: 7681
- 在线: 19966.6小时
- 虫号: 3328089
- 注册: 2014-07-17
- 专业: 肿瘤发生
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
yhc0316: 金币+40, 翻译EPI+1 2014-10-20 13:45:05
yhc0316: 金币+40, 翻译EPI+1 2014-10-20 13:45:05
|
9,10 - 二(氯甲基)蒽。在室温下向搅拌好的混合物蒽(1.78克,10毫摩尔),无水氯化锌(1.64克,12毫摩尔)和多聚甲醛(1.50克,50毫摩尔)和二恶烷(20mL)中缓慢加入浓盐酸溶液(40mL)。将混合物温和回流3小时,并静置在室温下16小时。将所得的细粒状固体用过滤分离,并用H2O和二恶烷洗涤得到粗产物。将粗产物用甲苯重结晶,得到淡黄色固体(1.81克,64.1%)。1H NMR(500兆赫,CDCl3):D8.40(m,4H),7.62(m,4H),5.61 ppm(S,4H)。 9,10 - 双(二乙氧基磷酰基)蒽。 混合物9,10 - 双(氯甲基)蒽(7.80克,28.3毫摩尔)和亚磷酸三乙酯(50mL)混合并搅拌,然后轻轻回流过夜。通过减压蒸馏去除过量的亚磷酸三乙酯。用硅胶柱层析法分离粗产物并用乙酸乙酯/石油醚(1:1体积比)作为洗脱剂洗脱,得到黄色固体(10.4,76.8%)。 1H NMR(500兆赫,CDCl3):d8.32(d,4H),7.53(d,4H),4.21(q,8H),3.78(d,4H),1.11 ppm(t,12H)。 |
2楼2014-10-20 08:17:33













回复此楼