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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2180427Generated: October 31, 2026

Dichloromethane → HCID 73989400, compound

https://huagongshe.com/reaction/2180427

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 numberUS06888027B2
Source datasetuspto-grants-2005_05
ORD IDord-1b4317157bc644aabbdb5e14eb719c4b
Source noteuspto-grants-2005_05