反应详情

Combine 2-methoxy-5-(1H-tetrazol-5-yl)benzoic acid (5 mmol) and dichloromethane (40 mL). Add dropwise oxalyl chloride (0.72 mL, 8.25 mmol) followed by dimethylformamide (3 drops). After 4 hours, evaporate in vacuo and dry to give the title compound.

1. customevaporate in vacuo
2. customdry