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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 226166Generated: October 29, 2026

Dichloromethane → HCID 73989419, compound

https://huagongshe.com/reaction/226166

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 67019595HCID 67019595—
CatalystDimethylformamideHCID 6228—
ProductHCID 73989419HCID 73989419100.1%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a suspension of 3-(2-phenylsulfamoyl-phenyl)-acrylic acid (35a) (0.18 g, 0.59 mmol) in dichloromethane (3.0 ml) oxalyl chloride (0.18 ml, 2.06 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 (0.19 g, 99%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07557140B2
Source datasetuspto-grants-2009_07
ORD IDord-0e36106a6dcf47b0a477d743477274ee
Source noteuspto-grants-2009_07