Ammonium Chloride → HCID 178438392, compound

Participants

Reaction Steps

From 0.85 g (0.0032 mol) of 4-oxo-2-propyl-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-7-carbonitrile, (Example 29), 0.68 g (0.011 mol) of sodium azide and 0.62 g (0.012 mol) of ammonium chloride in 80 ml of dimethylformamide, following the procedure of Example 34, there is obtained 0.46 g of 2-propyl-7-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one; mp 288°-292° C. (dec) after recrystallization from pyridine.

Provenance & Evidence