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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1825906Generated: October 30, 2026

4,5-Dichloro-1,2-phenylenediamine → HCID 131725761, compound

https://huagongshe.com/reaction/1825906

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-Dichloro-1,2-phenylenediamineHCID 79297—
Reactant3-Isothiocyanato-4-methylthiopheneHCID 22139827—
ProductHCID 131725761HCID 131725761—

Reaction Steps

N-(2-Amino-4,5-dichlorophenyl)-N′-(4-methyl-3-thienyl)thiourea is obtained analogously to the reaction described in example 1b) from 4-methyl-3-thienyl isothiocyanate and 4,5-dichloro-1,2-diaminobenzene. Crystalline solid, m.p. 310-320° C. b) 3N-(5,6-Dichloro-2-benzimidazolyl)-4-methyl-3-thienylamine hydrochloride is obtained analogously to the procedure described in example 1c) from N-(2-amino-4,5-dichlorophenyl)-N′-(4-methyl-3-thienyl)thiourea and methyl iodide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07049333B2
Source datasetuspto-grants-2006_05
ORD IDord-b86b5f042d9b4fba8f267ecd8a945210
Source noteuspto-grants-2006_05