Phosphorus oxychloride → 7-Cyclopentyl-5-ethyl-2-(4-methyl-1-naphthyl)imidazo[5,1-f][1,2,4]triazin-4(3H)-one

Participants

Reaction Steps

In analogy to the procedure for Example 1, 797 mg (2.04 mmol) crude N-{1-[3-(4-methyl-1-naphthyl)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]propyl}cyclopentanecarboxamide, 469 mg (3.06 mmol) phosphoric trichloride are stirred at reflux for 3 hours, proportionate amounts of the solvents are used.

Provenance & Evidence