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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1281136Generated: November 1, 2026

4,5-Dichloro-1,2-phenylenediamine → HCID 18426815, compound

https://huagongshe.com/reaction/1281136

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-Dichloro-1,2-phenylenediamineHCID 79297—
Reactant4-Bromothiophene-2-carbaldehydeHCID 87792—
ProductHCID 18426815HCID 18426815—

Reaction Steps

2-(4-Bromothiophen-2-yl)-5,6-dichlorobenzimidazole was prepared from 4-bromo-2-thiophenecarboxaldehyde and 4,5-dichloro-1,2-phenylenediamine by following General Procedure 2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06452014B1
Source datasetuspto-grants-2002_09
ORD IDord-4376ae05e1324a22857892fb8d3420f7
Source noteuspto-grants-2002_09