反应详情

1.67 g of 4-methoxy-2-pyridinecarboxylic acid, 20 ml of thionyl chloride and 1.2 g of 5-aminotetrazole are treated in the same manner as described in Example 1. The crude product thus obtained is recrystallized from ethanol, whereby 0.28 g of N-(5-tetrazolyl)-4-methoxy-2-pyridinecarboxamide is obtained.

1. customThe crude product thus obtained
2. customis recrystallized from ethanol