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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 552442Generated: November 3, 2026

Benzenesulfonyl chloride → HCID 45140724, compound

https://huagongshe.com/reaction/552442

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenesulfonyl chlorideHCID 7369—
Reactant7-(3-aminophenoxy)-1H-imidazo[4,5-b]pyridin-2(3H)-oneHCID 45140141—
ProductHCID 45140724HCID 4514072450%

Reaction Steps

Method K was used with 7-(3-aminophenoxy)-1H-imidazo[4,5-b]pyridin-2(3H)-one and benzenesulfonyl chloride to afford the title compound as a brown solid (25 mg, 50%). 1H-NMR (δ, ppm, DMSO-d6): ): 6.21 (s, 1H, HPy,5), 6.77 (s, 2H, Harom), 6.95 (s, 1H, Harom), 7.29 (s, 1H, Harom), 7.53-7.86 (m, 6H, Harom), 10.44 (s, 1H, NHSO2), 11.12 (s, 1H, NHPy3), 11.39 (s, 1H, NHPy2). 13C-NMR (δ, ppm, DMSO-d6): 106.39, 110.14, 113.74, 114.64, 115.83, 126.61, 129.33, 130.82, 133.09, 139.13, 139.36, 141.25, 144.12, 147.16, 154.15, 154.97. HRMS (EI): m/z [M+H] calcd for C18H15N4O4S: 383.0814; found: 383.0815.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07951819B2
Source datasetuspto-grants-2011_05
ORD IDord-eb2efa18d8174447bfc3549a7310f378
Source noteuspto-grants-2011_05