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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 912832Generated: October 31, 2026

Phosphorus oxychloride → 1H-Benzimidazole, 2-chloro-7-iodo-5-(trifluoromethyl)-

https://huagongshe.com/reaction/912832

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant4-Iodo-6-(trifluoromethyl)-1,3-dihydro-2H-benzimidazol-2-oneHCID 67401177—
Product1H-Benzimidazole, 2-chloro-7-iodo-5-(trifluoromethyl)-HCID 67401406—

Reaction Steps

4-Iodo-6-(trifluoromethyl)-1,3-dihydro-2H-benzimidazol-2-one (328 mg, 1 mmol) reacted with POCl3 under the conditions of Example 1c to give the title compound as a off-white solid. MS (ESI, pos. ion) m/z: 347 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026241B2
Source datasetuspto-grants-2011_09
ORD IDord-347e9ca714d74cd2a4a3ba49532d8190
Source noteuspto-grants-2011_09