反应详情

7.00 g (27.7 mmol) 2-(3-chloro-phenyl)-2H-tetrazole-5-carboxylic acid ethyl ester was dissolved in 50 mL THF and 50 mL water and treated with 2.33 g (55.4 mmol) LiOH at RT for 14 h. The reaction mixture was concentrated and acidified with 1 M aqueous hydrochlorid acid. The precipitate was filtered off, washed with water and dried.

1. concentrationThe reaction mixture was concentrated
2. filtrationThe precipitate was filtered off
3. washwashed with water
4. customdried