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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2180442Generated: October 30, 2026

Dichloromethane → HCID 73989395, compound

https://huagongshe.com/reaction/2180442

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 67019636HCID 67019636—
CatalystDimethylformamideHCID 6228—
ProductHCID 73989395HCID 7398939598.1%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a suspension of 3-[4-(biphenyl-4-sulfonylamino)-phenyl]-acrylic acid (82a) (0.27 g, 0.71 mmol) in dichloromethane (3 ml) oxalyl chloride (0.3 ml, 3.39 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 (0.277 g, 98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06888027B2
Source datasetuspto-grants-2005_05
ORD IDord-9bf314401f5b42349e1e7d59ee15dd60
Source noteuspto-grants-2005_05