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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1019669Generated: October 31, 2026

Hydroxylamine → HCID 56932956, compound

https://huagongshe.com/reaction/1019669

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxylamineHCID 787—
ReactantPotassium HydroxideHCID 14797—
Reactant2,4-Difluorobenzenesulfonyl ChlorideHCID 2734273—
ReactantHCID 58055425HCID 58055425—
SolventDichloromethaneHCID 6344—
ProductHCID 56932956HCID 56932956—

Reaction Steps

The title compound was prepared in two steps according to Scheme 6 by (1) treating amine VII with 2,4-difluorobenzenesulfonyl chloride and TEA in dichloromethane, and (2) treating the ester intermediate with aqueous HONH2 and KOH. MS: calc'd (MH+) 383, exp (MH+) 383.4. 1H NMR (CD3OD, 400 MHz), 7.97 (m, 1H), 7.47 (d, 1H, J=8.0 Hz), 7.37 (s, 1H), 7.24 (m, 1H), 7.18 (m, 2H), 3.55 (m, 1H), 2.95 (m, 2H), 2.82 (m, 1H), 2.69 (m, 1H), 1.95 (m, 1H) 1.73 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08716285B2
Source datasetuspto-grants-2014_05
ORD IDord-7e5c979c3afa4a2b857a37f300bf6106
Source noteuspto-grants-2014_05