HRID500394

反应详情

EQUATION

反应方程式

HRID 500394 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, 0.176 mmol) and 6-quinoxalinecarbonyl chloride (68 mg, 0.35 mmol). The final trituration (diethyl ether/hexane) and filtration gave 48 mg (38%) of 18-(6-quinoxalinecarbonyloxy)-14-tert-butoxycarbonylamino-4-cyclopropylsulfonylaminocarbonyl-2,15-dioxo-3,16-diazatricyclo-[14.3.0.04,6]-nonadec-7-ene as a white powder: 98.5% pure (HPLC), MS m/z 723 (M−H)−, HRMS: calcd. 725.2969 and found 725.2947 (M+H)+, mp 158-160° C.

WORKUP

后处理

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