1.1
Reagents:
Sodium azide
Solvents:
Toluene
;
rt → 0 °C
1.2
Reagents:
Sulfuric acid
;
1 h, 0 °C; 0 °C → rt; overnight, rt
1.3
Reagents:
Sodium bicarbonate
Solvents:
Water
;
rt
![8-溴-1,3,4,5-四氢苯并[b]氮杂卓-2-酮结构式图片|885953-12-8结构式图片](http://hg.y866.cn/compound/lib/scimg/cas/150/885953-12-8.png?t=639114962539173038)
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