1.1
Reagents:
Sodium hydroxide
Solvents:
Methanol
,
Water
;
5 h, rt → 65 °C; 65 °C → rt
1.2
Reagents:
Hydrochloric acid
Solvents:
Water
;
pH 5 - 6, rt
![3,4-二氢-2H-苯并[1,4]噁嗪-7-羧酸甲酯结构式图片|851202-96-5结构式图片](http://hg.y866.cn/compound/lib/scimg/cas/150/851202-96-5.png?t=639020999424777614)
3003949364 








