3-(Methylthio)propylamine → [6-Bromo-7-methyl-8-(3-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-(3-methylsulfanyl-propyl)-amine

Participants

Reaction Conditions

Reaction Steps

To a suspension of 6-bromo-2-chloro-7-methyl-8-(3-trifluoromethyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridine (Int. 29, 125 mg, 0.32 mmol) in IMS (5 mL) was added 3-methylsulfanyl-propylamine (215 μL, 1.92 mmol) and the reaction mixture was heated under microwave irradiation at 155° C. for 2 hrs. After this time more 3-methylsulfanyl-propylamine (490 μL) was added and heating continued for 3 hrs then a further portion of 3-methylsulfanyl-propylamine (490 μL) was added and heating continued for 7 hrs. The resultant residue was loaded onto an SCX-2 cartridge and eluted with MeOH and then further purified by flash chromatography, eluting with a gradient of 0-50% EtOAc in cyclohexane to give the title compound as a colourless glass (57 mg).

Provenance & Evidence