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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1282209Generated: October 26, 2026

5-Chloro-2-methylphenyl isothiocyanate → 1-(5-Chloro-2-methyl-phenyl)-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)-thiourea

https://huagongshe.com/reaction/1282209

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-2-methylphenyl isothiocyanateHCID 29519—
Reactant1,3,5-trimethyl-1H-pyrazol-4-amineHCID 161603—
Product1-(5-Chloro-2-methyl-phenyl)-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)-thioureaHCID 985780771.4%

Reaction Steps

Prepared using Method A from 4.5 g (24.5 mmol) of 5-chloro-2-methyl-phenyl isothiocyanate and 3.06 g (24.5 mmol) of 4-amino-1,3,5-trimethylpyrazole to give 5.4 g of title compound as a white solid, m.p. 176-177° C. (71% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06455566B1
Source datasetuspto-grants-2002_09
ORD IDord-07e3b057014a41fa9de1719c9c482dd0
Source noteuspto-grants-2002_09