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Benzenesulfonyl chloride → N-(4-[2-Methyl-2-aminopropyl]phenyl)benzenesulfonamide

HRID 1824304
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1824304
Cl.[NH2:2][C:3]([CH3:13])([CH3:12])[CH2:4][C:5]1[CH:11]=[CH:10][C:8]([NH2:9])=[CH:7][CH:6]=1.[C:14]1([S:20](Cl)(=[O:22])=[O:21])[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1>CN(C=O)C>[CH3:12][C:3]([NH2:2])([CH3:13])[CH2:4][C:5]1[CH:11]=[CH:10][C:8]([NH:9][S:20]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)(=[O:22])=[O:21])=[CH:7][CH:6]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 7369Benzenesulfonyl chlorideHCID 221477544-(2-Amino-2-methylpropyl)aniline hydrochloride salt

Produkt 1

HCID 22147701N-(4-[2-Methyl-2-aminopropyl]phenyl)benzenesulfonamideAusbeute 38 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of 4-(2-amino-2-methylpropyl)aniline hydrochloride salt (1.0 g, 4.98 mmol) in anhydrous DMF (30 mL) was treated with benzenesulfonyl chloride (880 mg, 4.98 mmol). The solution was stirred at ambient temperature for 16 h. The solvent was removed under reduced pressure and the residue was washed twice with hexane. The insoluble material was dissolved in water and extracted twice with ethyl ether to remove any remaining neutral impurities. The aqueous layer was separated and basified with excess 1N sodium hydroxide. Upon standing, a crystalline solid soon precipitated. The solid was collected, and dried under vacuum at 60° C. to provide 570 mg (38%) of the desired product as a white crystalline solid. Mp 180–181° C.

Aufarbeitung

  1. customThe solvent was removed under reduced pressure
  2. washthe residue was washed twice with hexane
  3. dissolutionThe insoluble material was dissolved in water
  4. extractionextracted twice with ethyl ether
  5. customto remove any remaining neutral impurities
  6. customThe aqueous layer was separated
  7. customa crystalline solid soon precipitated
  8. customThe solid was collected
  9. customdried under vacuum at 60° C.

Quellen und Nachweise

ORD-Eintrag
ord-41e5264444854f21b5d527e50542861a
Quelldatensatz
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07041684B2

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