1.1
Reagents:
Oxalyl chloride
Solvents:
Dimethylformamide
,
Dichloromethane
;
2 h, rt
1.2
Reagents:
Sodium carbonate
Solvents:
1,4-Dioxane
,
Water
;
6 °C; > 25 °C; 30 min, rt


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