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lgq101

木虫 (小有名气)

[求助] 求一段有机合成翻译~~~谢谢

General Procedure for Tanaka Ethyl Cyanoformate [2 + 2 + 2] Cyclotrimerization (28). Vacuum-dried resin 4 (800 mg, 0.86 meq, 1.0 eq) was swollen with degassed DCE (20 mL) for 10 min. A stock solution of ethyl cyanoformate, Rh(COD)2BF4, and rac-BINAP (50∶1.5∶2 molar ratio, 0.5 M nitrile in DCE, 8 mL, 4.0 mmol, 4.65 eq) was added and the mixture was stirred at 80 °C for 12 h. The resin was cooled, washed, and dried to afford pyrrolopyridine carboxylates 28.
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xiaoqihu

铁杆木虫 (著名写手)

【答案】应助回帖

★
爱与雨下(金币+1): !!~~ 2011-08-26 14:26:07
lgq101(金币+10, 翻译EPI+1): 谢谢~~~~~ 2011-08-26 20:10:39
tanaka ethyl cyanoformate [2+2+2]cyclotimerization反应的基本步骤:
真空干燥的树脂泡在DCE中10分钟,然后将ethyl cyanoformate,Rh(COD)2BF4和 rac-BINAP的DCE溶液加入,80度搅拌12小时,冷却,洗涤,干燥得到目标化合物pyrrolopyridine carboxylates 28.
不是不追求,而是不强求
2楼2011-08-26 12:15:13
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