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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 639788Generated: October 30, 2026

3-Pyridinecarbonyl chloride, hydrochloride (1:1) → 3-Pyridin-3-yl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine

https://huagongshe.com/reaction/639788

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Pyridinecarbonyl chloride, hydrochloride (1:1)HCID 88438—
Reactant3-Pyridin-4-yl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidineHCID 136117920—
Product3-Pyridin-3-yl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidineHCID 136034185—

Reaction Steps

The title compound is prepared according to the procedure for 3-pyridin-4-yl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine (example 17a) from nicotinoyl chloride hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07691892B2
Source datasetuspto-grants-2010_04
ORD IDord-df3af231f0d84ef9a9466ec61ed9cd8d
Source noteuspto-grants-2010_04