Hydrochloric Acid → HCID 19001432, compound

Participants

Reaction Steps

1.5 g (0.0055 moles) of 3-(2-propyl-2H-tetrazol-5-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine was dissolved in 20 ml of abs. ethanol under heating and stirring. To the solution 10 ml of 10% aqueous hydrochloric acid solution was added dropwise. After a few minutes of stirring the mixture was filtered and the filtrate was cooled down. The precipitating crystals were collected, 1.50 g (89.29%) of the title compound were obtained in the form of white crystals, m.p.: 198°-199° C.

Provenance & Evidence