HRID500404

反应详情

EQUATION

反应方程式

HRID 500404 的结构方程式

PROCEDURE

实验过程

Prepared by way of method I using 18-hydroxy-14-tert-butoxycarbonylamino-4-cyclopropylsulfonylaminocarbonyl-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]-nonadec-7-ene (100 mg, 0.175 mmol) and 5-methylisoxazole-3-carbonyl chloride (188 mg, 1.06 mmol). The final trituration (diethyl ether/hexane) and filtration gave 31 mg (26%) of 18-(5-methylisoxazole-3-carbonyloxy)-14-tert-butoxycarbonylamino-4-cyclopropylsulfonylaminocarbonyl-2,15-dioxo-3,16-diazatricyclo-[14.3.0.04,6]-nonadec-7-ene as a white powder: 99.9% pure (HPLC), MS m/z 676 (M−H)−, HRMS: calcd. 678.2809 and found 678.2795 (M+H)+, mp 157-159° C.

WORKUP

后处理

  1. customPrepared by way of method I
  2. filtrationThe final trituration (diethyl ether/hexane) and filtration