概述
N-Fmoc-L-valine N-succinimidyl ester 是一种缬氨酸衍生物。
医药
合成路线 1(1. 合成:130878-68-1)
产率:89%
合成条件:With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3 h;
实验步骤:在室温下将二环碳二亚胺(1.55g,7.52mmol)和N-羟基琥珀酰亚胺(762mg,6.63mmol)加入到无水的Fmoc-Val-OH [9](1.5g,4.42mmol)的搅拌器溶液中。 二氯甲烷(25mL)。 将混合物在室温下保持3小时。 在该反应中形成的白色固体用二氯甲烷过滤除去二环己基脲,有机相用0.1N HCl和水洗涤,然后用无水硫酸钠干燥,通过旋转蒸发除去溶剂。 将残余物在1%甲醇的二氯甲烷溶液中进行快速柱色谱,得到产物[10],为白色固体,1.7g(收率89%)。 MS:m / z 459 [M + Na] +。1H NMR(400MHz,CDCl 3)δ7.80(d,J = 7.5Hz,2H),7.68-7.55(m,2H),7.43(t,J = 7.4) Hz,2H),7.34(dd,J = 15.9,8.5 Hz,2H),4.70(d,J = 4.6 Hz,1 H),4.56 - 4.40(m,3H),4.28(t,J = 6.6 Hz, 1 H),2.85(s,4H),2.37(dd,J = 12.3,6.5Hz,1H),1.08(dd,J = 11.0,6.9Hz,6H)。
参考文献:
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