HRID1660786

反应详情

EQUATION

反应方程式

HRID 1660786 的结构方程式

PROCEDURE

实验过程

5-{[4-(5-Chloro-2-methoxy-benzenesulfonyl)-3,4-dihydro-2H-benzo[1,4]oxazine-6-carbonyl]-amino}-pyridine-2-carboxylic acid, MS (ISP): m/e=502.0, 503.9 (M−H), was prepared as described in example 1, steps 1 to 6. Step 5 was performed using 5-amino-pyridine-2-carboxylic acid ethyl ester and yielded 5-{[4-(5-chloro-2-methoxy-benzenesulfonyl)-3,4-dihydro-2H-benzo[1,4]oxazine-6-carbonyl]-amino}-pyridine-2-carboxylic acid ethyl ester, which was hydrolyzed in step 6.