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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846864Generated: November 1, 2026

3-Chlorobenzenesulphonyl chloride → N-(5-Benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-3-chloro-benzenesulfonamide

https://huagongshe.com/reaction/1846864

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chlorobenzenesulphonyl chlorideHCID 17909—
Reactant2-Aminomethyl-5-benzyloxy-pyran-4-oneHCID 21524753—
ReactantN-(5-benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-benzene sulfonamideHCID 86725690—
ProductN-(5-Benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-3-chloro-benzenesulfonamideHCID 8672572256.92%

Reaction Steps

N-(5-Benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-3-chloro-benzenesulfonamide (7-05) (25.0 g, 56.92%) was synthesized as a brown solid from 2-aminomethyl-5-benzyloxy-pyran-4-one (5) (25 g, 108.22 mmol) and 3-chloro-benzenesulfonyl chloride (6-05) (22.98 mL, 162.33 mmol) following the procedure described for N-(5-benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-benzenesulfonamide (7-01).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952039B2
Source datasetuspto-grants-2015_02
ORD IDord-8139112995414bdabd696c600c3dd8b0
Source noteuspto-grants-2015_02