1.1
Reagents:
Thionyl chloride
Solvents:
Dichloromethane
;
3 h, 35 - 40 °C; 35 °C → rt
1.2
Reagents:
Aluminum chloride
Solvents:
Dichloromethane
;
rt → -2 °C
1.3
-2 - 5 °C; 4 h, -2 - 5 °C
1.4
Reagents:
Hydrochloric acid
Solvents:
Water

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