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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 369085Generated: October 24, 2026

4-(Methylsulfonyl)phenylhydrazine hydrochloride → 6-methyl-2-[1-(4-methylsulfonylphenyl)-3-trifluoromethyl-1H-pyrazol-5-yl]benzothiazole

https://huagongshe.com/en/reaction/369085

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Methylsulfonyl)phenylhydrazine hydrochlorideHCID 2735181—
Reactant1-(6-Methylbenzothiazol-2-yl)-4,4,4-trifluorobutane-1,3-dioneHCID 23285377—
Product6-methyl-2-[1-(4-methylsulfonylphenyl)-3-trifluoromethyl-1H-pyrazol-5-yl]benzothiazoleHCID 2328536047%

Reaction Steps

The procedure of Example 9 was repeated using 1-(6-methylbenzothiazol-2-yl)-4,4,4-trifluorobutane-1,3-dione and 4-methylsulfonylphenylhydrazine hydrochloride as the starting materials to obtain 6-methyl-2-[1-(4-methylsulfonylphenyl)-3-trifluoromethyl-1H-pyrazol-5-yl]benzothiazole (yield, 47%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06136831
Source datasetuspto-grants-2000_10
ORD IDord-aed63c40e69b48dd8503aab103eb26bc
Source noteuspto-grants-2000_10