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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 326090Generated: October 26, 2026

3-Amino-5-methyl-4H-1,2,4-triazole → 2-Methyl-7-(3-pyridyl)[1,2,4]triazolo[1,5-a]pyrimidine

https://huagongshe.com/reaction/326090

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Amino-5-methyl-4H-1,2,4-triazoleHCID 234610—
Reactant1-(3-Pyridyl)-3-(dimethylamino)-2-propen-1-oneHCID 567033—
SolventAcetic AcidHCID 176—
Product2-Methyl-7-(3-pyridyl)[1,2,4]triazolo[1,5-a]pyrimidineHCID 1330904740.3%

Reaction Steps

A reaction mixture of 0.98 g of 3-amino-5-methyl-1,2,4-triazole and 1.76 g of 3-dimethylamino-1-(3-pyridyl)-2-propene-1-one in 25 ml of glacial acetic acid was refluxed for six hours. The procedure was continued as for Example 1 to give 0.85 g of the product of the Example as colorless crystals, mp 244°-245° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04444774
Source datasetuspto-grants-1984_04
ORD IDord-bad9db7dc83c474b9c6285756bf3a620
Source noteuspto-grants-1984_04