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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1749362Generated: October 31, 2026

p-Bromobenzenesulfonyl chloride → HCID 39874242, compound

https://huagongshe.com/reaction/1749362

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Bromobenzenesulfonyl chlorideHCID 7396—
Reactant1-methyl-1H-pyrazol-4-amineHCID 4770990—
SolventPyridineHCID 1049—
ProductHCID 39874242HCID 3987424287%

Reaction Steps

Prepared from 4-bromobenzenesulfonyl chloride (m396 g, 1.55 mmol) and 4-amino-1-methyl-1H-pyrazole (206 mg, 1.54 mmol) in pyridine (3 ml) according to the method of intermediate 1, to give the title compound as a white solid (424 mg, 1.34 mmol, 87%). δH (D-6 DMSO, 300K) 9.80 (1H, s), 7.79 (2H, d J 8.7 Hz), 7.61 (2H, d J 8.7 Hz), 7.48 (1H, s), 7.05 (1H, s), 3.71 (3H, s). m/z (ES+, 70V) 318.0 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156811B2
Source datasetuspto-grants-2015_10
ORD IDord-000b587c1596436d8369cc732894de1f
Source noteuspto-grants-2015_10