1.1
Reagents:
Oxalyl chloride
Catalysts:
Dimethylformamide
Solvents:
Dichloromethane
;
5 °C; 48 h, rt
1.2
Reagents:
Diisopropylethylamine
Solvents:
Dichloromethane
;
-10 °C; 24 h, rt

2881489226 






