Water → HCID 135737545, compound

Participants

Reaction Steps

To a suspension of 1.3 g of 7-chloro-5-phenyltetrazolo[1,5-a]quinazoline in 100 ml of ethanol was added 0.2 g of sodium borohydride. The mixture was stirred at room temperature for 1 hour and then poured into 200 ml of water. The resulting precipitate was collected by filtration, washed with water and recrystallized from methanol to give 0.98 g of 7-chloro-4,5-dihydro-5-phenyltetrazolo[1,5-a]quinazoline as colorless needles, m.p. 260°-261° C. (decomp.).

Provenance & Evidence