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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1846853Generated: November 1, 2026

6-(benzene sulfonyl amino-methyl)-3-benzyloxy-4-oxo-4H-pyran-2-carboxylic acid → 3-Benzyloxy-6-[(2-chloro-benzenesulfonylamino)-methyl]-4-oxo-4H-pyran-2-carboxylic acid

https://huagongshe.com/reaction/1846853

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(benzene sulfonyl amino-methyl)-3-benzyloxy-4-oxo-4H-pyran-2-carboxylic acidHCID 86725695—
ReactantN-(5-Benzyloxy-6-formyl-4-oxo-4H-pyran-2-ylmethyl)-2-chloro-benzenesulfonamideHCID 86725711—
Product3-Benzyloxy-6-[(2-chloro-benzenesulfonylamino)-methyl]-4-oxo-4H-pyran-2-carboxylic acidHCID 86725712—

Reaction Steps

3-Benzyloxy-6-[(2-chloro-benzenesulfonylamino)-methyl]-4-oxo-4H-pyran-2-carboxylic acid (12-03) (2 g, crude) was synthesized as a white solid from N-(5-benzyloxy-6-formyl-4-oxo-4H-pyran-2-ylmethyl)-2-chloro-benzenesulfonamide (11-03) (2.8 g, 6.46 mmol) following the procedure described for 6-(benzenesulfonylamino-methyl)-3-benzyloxy-4-oxo-4H-pyran-2-carboxylic acid (12-01).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952039B2
Source datasetuspto-grants-2015_02
ORD IDord-611fdc83f6414570b3243814088a17e6
Source noteuspto-grants-2015_02