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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416919Generated: November 1, 2026

2-Thiophenecarbonyl chloride → HCID 10228566, compound

https://huagongshe.com/reaction/2416919

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Thiophenecarbonyl chlorideHCID 78928—
ReactantHCID 60123571HCID 60123571—
SolventPyridineHCID 1049—
ProductHCID 10228566HCID 1022856668.2%

Reaction Steps

To a stirred solution of the above amino benzimidazole (0.7 g, 1.8 mmol) in pyridine (10 mL) was added 2-thiophenecarbonyl chloride (0.41 mL, 3.8 mmol). The reaction was complete in 6 h. The pyridine was evaporated and the resulting orange solid was purified by flash chromatography with 1% MeOH/dichloromethane to give the title compound (0.61 g, 67%), m.p. 82-84° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06825219B2
Source datasetuspto-grants-2004_11
ORD IDord-a908e503a52f4fe29d220496d2fc9fed
Source noteuspto-grants-2004_11