Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846848Generated: November 2, 2026

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

https://huagongshe.com/reaction/1846848

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chlorobenzenesulfonyl chlorideHCID 76187—
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)-2-chloro-benzenesulfonamideHCID 8672570759.2%

Reaction Steps

N-(5-Benzyloxy-4-oxo-4H-pyran-2-ylmethyl)-2-chloro-benzenesulfonamide (7-03) (26.0 g, 59.19%) was synthesized as a light brown solid from 2-aminomethyl-5-benzyloxy-pyran-4-one (5) (25.0 g, 108.2 mmol) and 2-chloro-benzenesulfonyl chloride (6-03) (27.2 g, 129.87 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-21ae17a974cd41ceaf5f3a5fef70fb7a
Source noteuspto-grants-2015_02