HRID353328

反应详情

EQUATION

反应方程式

HRID 353328 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Part C: A slurry of the sulfonic acid part B (420 g, 1.5 mol) in acetonitrile (2500 mL) and DMF (40 mL) was warmed to 75° C. under a nitrogen atmosphere and treated with thionyl chloride (243 mL, 3.3 mol) added dropwise over 3 hours. After stirring for one-half hour, the standard work-up procedure afforded 483 grams (100%) of the desired 4-[(pyrid-4-yl)oxy]benzenesulfonyl chloride hydrochloride.

WORKUP

后处理

  1. additionadded dropwise over 3 hours