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1,3-Benzenediamine, N1,N1-dimethyl-, hydrochloride (1:2) → 4-(3-Dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile

HRID 612157
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 612157
Cl[C:2]1[C:11]2[C:6](=[C:7]([O:14][CH3:15])[CH:8]=[CH:9][C:10]=2[O:12][CH3:13])[N:5]=[CH:4][C:3]=1[C:16]#[N:17].Cl.Cl.[CH3:20][N:21]([CH3:29])[C:22]1[CH:27]=[CH:26][CH:25]=[C:24]([NH2:28])[CH:23]=1.C(OC(O)C)C>N1C=CC=CC=1>[CH3:20][N:21]([CH3:29])[C:22]1[CH:23]=[C:24]([NH:28][C:2]2[C:11]3[C:6](=[C:7]([O:14][CH3:15])[CH:8]=[CH:9][C:10]=3[O:12][CH3:13])[N:5]=[CH:4][C:3]=2[C:16]#[N:17])[CH:25]=[CH:26][CH:27]=1
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Komponenten

5

Edukt 3

HCID 771241,3-Benzenediamine, N1,N1-dimethyl-, hydrochloride (1:2)HCID 101298981-EthoxyethanolHCID 224665354-Chloro-5,8-dimethoxyquinoline-3-carbonitrile

Produkt 1

HCID 224667364-(3-Dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrileAusbeute 77,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1049
Pyridine
Lösungsmittel

Versuchsvorschrift

A mixture of 0.148 g of 4-chloro-5,8-dimethoxy-3-quinolinecarbonitrile, 0.146 g of N,N-dimethyl-1,3-phenylenediamine dihydrochloride, 0.2 ml of pyridine, and 5 ml of ethoxyethanol was stirred under nitrogen, at reflux temperature for 30 minutes. Then the mixture was partitioned between ethyl acetate and saturated sodium chloride solution. The organic layer was dried and concentrated in vacuo. The residue thus obtained was chromatographed on silica gel eluting with ethyl acetate. Solvent was removed from product fractions giving 0.160 g of 4-(3-dimethylamino-phenylamino)-5,8-dimethoxy-quinoline-3-carbonitrile as a solid, mp 103-105° C.; mass spectrum (EI, m/e): M 348.1588.

Aufarbeitung

  1. temperatureat reflux temperature for 30 minutes
  2. customThen the mixture was partitioned between ethyl acetate and saturated sodium chloride solution
  3. customThe organic layer was dried
  4. concentrationconcentrated in vacuo
  5. customThe residue thus obtained
  6. customwas chromatographed on silica gel eluting with ethyl acetate
  7. customSolvent was removed from product fractions

Quellen und Nachweise

ORD-Eintrag
ord-9a9221bcd5094dbea5d4910619fe94c9
Quelldatensatz
uspto-grants-1999_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06002008

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