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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 277063Generated: October 25, 2026

2-Thiophenecarboxaldehyde → 7-Bromo-2-thiophen-2-yl-[1,2,4]triazolo[1,5-a]pyridin-5-ylamine

https://huagongshe.com/reaction/277063

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-ThiophenecarboxaldehydeHCID 7364—
Reactant4-Bromo-2,6-diaminopyridineHCID 11435393—
ReactantO-(2,4,6-Trimethylbenzenesulfonyl)hydroxylamineHCID 11830845—
Product7-Bromo-2-thiophen-2-yl-[1,2,4]triazolo[1,5-a]pyridin-5-ylamineHCID 18313700—

Reaction Steps

The title compound, MS m/e (%): 297 (M++2, 100), was prepared in accordance with the general method of example 63 from 4-bromo-pyridine-2,6-diamine, O-mesitylene-sulfonylhydroxylamine, and 2-thiophenecarboxaldehyde. The purification was performed with reversed phase HPLC eluting with an acetonitrile/water gradient.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06355653B1
Source datasetuspto-grants-2002_03
ORD IDord-e5d8176ce97e4d8285e939fc2101704d
Source noteuspto-grants-2002_03