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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1984586Generated: November 1, 2026

2,4-Dichloro-5-methylbenzene-1-sulphonyl chloride → HCID 57718252, compound

https://huagongshe.com/reaction/1984586

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Dichloro-5-methylbenzene-1-sulphonyl chlorideHCID 119914—
Reactant2-Amino-5-bromo-4-methylpyridineHCID 817695—
Reactant4-(N-piperidinylsulfonyl)thiophenolHCID 57718290—
ProductHCID 57718252HCID 57718252—

Reaction Steps

2,4-Dichloro-5-methyl-N-{4-methyl-5-[4-(piperidine-1-sulfonyl)-phenylsulfanyl]-pyridin-2-yl}-benzenesulfonamide was prepared from 2-amino-5-bromo-4-methylpyridine and 4-(N-piperidinylsulfonyl)thiophenol according to General Method 11 step 1 followed by reaction with 2,4-dichloro-5-methylphenylsulfonyl chloride according to General Method 11 step 2. 1H NMR (CDCl3): 13.20 (1H, br s, NH), 8.40 (1H, s, A-ring CH ortho to 2×Cl), 8.03 (1H, s, A-ring CH ortho to SO2NH), 7.53 & 7.04 (2×2H, 2×d, 2×J 10 Hz, Ar CH's of C-ring), 7.41 & 7.15 (2×1H, 2×s, pyridyl CH's), 2.91-2.83 (4H, m, CH2NCH2), 2.38 & 2.23 (2×3H, 2×s, 2×CH3), 1.61-1.48 (4H, m, CH2CH2CH2CH2CH2), 1.39-1.28 (2H, m, CH2CH2CH2CH2CH2). Hplc (Luna 2, Gradient 5): rt=6.73 minutes. LC/MS rt=7.43 minutes, 586/588 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07544702B2
Source datasetuspto-grants-2009_06
ORD IDord-2e527db7c0404e8597f13ac255fcec4e
Source noteuspto-grants-2009_06