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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 351076Generated: October 30, 2026

Dichloromethane → HCID 73989400, compound

https://huagongshe.com/reaction/351076

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 67019559HCID 67019559—
CatalystDimethylformamideHCID 6228—
ProductHCID 73989400HCID 7398940092%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a suspension of 3-(4-phenylsulfamoyl-phenyl)-acrylic acid (43a) (0.25 g, 0.82 mmol) in dichloromethane (4.7 ml) oxalyl chloride (0.32 ml, 3.68 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 (0.24 g, 92%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07183298B2
Source datasetuspto-grants-2007_02
ORD IDord-5b834123601b4c7ba092b531b1c6c514
Source noteuspto-grants-2007_02