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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 226143Generated: November 1, 2026

Dichloromethane → HCID 73989424, compound

https://huagongshe.com/reaction/226143

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 67019629HCID 67019629—
CatalystDimethylformamideHCID 6228—
ProductHCID 73989424HCID 7398942498%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a suspension of 3-{3-[(pyridin-3-ylmethyl)-sulfamoyl]-phenyl}-acrylic acid (15b) (0.28 g, 0.88 mmol) in dichloromethane (3.5 ml) oxalyl chloride (0.23 ml, 2.64 mmol) and one drop of dimethylformamide were added. The reaction mixture was stirred at 40° C. for one hour and concentrated under reduced pressure to give crude title compound (0.29 g, 98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07557140B2
Source datasetuspto-grants-2009_07
ORD IDord-95e710c4ce604a43994f75acb993ad1e
Source noteuspto-grants-2009_07