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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 226170Generated: October 30, 2026

Dichloromethane → HCID 73989400, compound

https://huagongshe.com/reaction/226170

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 numberUS07557140B2
Source datasetuspto-grants-2009_07
ORD IDord-fb988d1bea7f4047945bbbaea2bf1e45
Source noteuspto-grants-2009_07