Oxalyl chloride → 3-(3-p-Tolylsulfamoyl-phenyl)-acryloyl chloride

HRID 2217655Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2217655
[C:1]1([CH3:22])[CH:6]=[CH:5][C:4]([NH:7][S:8]([C:11]2[CH:12]=[C:13]([CH:17]=[CH:18][C:19](O)=[O:20])[CH:14]=[CH:15][CH:16]=2)(=[O:10])=[O:9])=[CH:3][CH:2]=1.C(Cl)(=O)C([Cl:26])=O>ClCCl.CN(C)C=O>[C:1]1([CH3:22])[CH:6]=[CH:5][C:4]([NH:7][S:8]([C:11]2[CH:12]=[C:13]([CH:17]=[CH:18][C:19]([Cl:26])=[O:20])[CH:14]=[CH:15][CH:16]=2)(=[O:10])=[O:9])=[CH:3][CH:2]=1

Komponenten

5

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

To a suspension of 3-(3-p-tolylsulfamoyl-phenyl)-acrylic acid (5d) (0.75 g, 2.36 mmol) in dichloromethane (10.0 ml): oxalyl chloride (0.62 ml, 7.08 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 (0.79 g).

Aufarbeitung

  1. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-59f3be0c53a04608b3200bcaba5dad0d
Quelldatensatz
uspto-grants-2008_08
Patentnummer
US07407988B2

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