反応 #1181
ord-951984be58214825afaa7f028775b4b9
反応方程式
4-amino-2-chlorobenzonitrile
SnCl2
NaNO2
→
2-Chloro-4-hydrazinobenzonitrile hydrochloride
反応条件
温度
-5°CELSIUS
詳細条件
See reaction.notes.procedure_details.
後処理
- 1workup.WAITthe mixture is left
- 2workup.STIRRINGstirring
実験手順
5 g of 4-amino-2-chlorobenzonitrile and 40 ml of concentrated HCl in 30 ml of THF are mixed at -5° C.; 2.26 g of NaNO2 in 30 ml of water are added and the mixture is left stirring for 2 hours, 30 g of SnCl2 ·2H2O in 30 ml of concentrated HCl are then added and stirring is maintained at -5° C. for 30 minutes.