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Dichloromethane → N-tert-butyl-4-[3-{3-[(diphenylmethylidene)amino]phenyl}-1-(4-methoxybenzyl)-1H-pyrazol-4-yl]pyridin-2-amine

HRID 45837
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 45837
[C:1]1([C:7]([C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)=[N:8][C:9]2[CH:14]=[CH:13][CH:12]=[C:11]([C:15]3[C:19]([C:20]4[CH:25]=[CH:24][N+:23]([O-])=[CH:22][CH:21]=4)=[CH:18][N:17]([CH2:27][C:28]4[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=4)[N:16]=3)[CH:10]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:42]([NH2:46])([CH3:45])([CH3:44])[CH3:43].C1(C)C=CC(S(OS(C2C=CC(C)=CC=2)(=O)=O)(=O)=O)=CC=1.ClCCl>FC(C1C=CC=CC=1)(F)F>[C:42]([NH:46][C:24]1[CH:25]=[C:20]([C:19]2[C:15]([C:11]3[CH:12]=[CH:13][CH:14]=[C:9]([N:8]=[C:7]([C:36]4[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=4)[C:1]4[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=4)[CH:10]=3)=[N:16][N:17]([CH2:27][C:28]3[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=3)[CH:18]=2)[CH:21]=[CH:22][N:23]=1)([CH3:45])([CH3:44])[CH3:43]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 6344DichloromethaneHCID 6385Tert-ButylamineHCID 77773Toluene-p-sulphonic anhydrideHCID 86654335N-(diphenylmethylidene)-3-[1-(4-methoxybenzyl)-4-(1-oxidopyridin-4-yl)-1H-pyrazol-3-yl]aniline

Produkt 1

HCID 86654336N-tert-butyl-4-[3-{3-[(diphenylmethylidene)amino]phenyl}-1-(4-methoxybenzyl)-1H-pyrazol-4-yl]pyridin-2-amine
Ausbeute 73 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7368(Trifluoromethyl)benzeneLösungsmittel

Versuchsvorschrift

200 mg (0.4 mmol) of N-(diphenylmethylidene)-3-[1-(4-methoxybenzyl)-4-(1-oxidopyridin-4-yl)-1H-pyrazol-3-yl]aniline were suspended in 50 ml of trifluoromethylbenzene and 210 μl (2 mmol) of tert-butylamine were added under stirring at room temperature. The mixture was cooled to 0° C. and 260 mg (0.8 mmol) of p-toluensulfonic anhydride were added. The reaction was maintained in the same conditions for 2.5 hours. Then the same amounts of reactants and 2 ml of dichloromethane to obtain a clear solution were added and after further 2 hours the reaction went to completion. The solvent was evaporated and the residue taken up in dichloromethane and washed with water. The organic phase was dried over Na2SO4 and evaporated to dryness, giving 161 mg (73% yield) of the title compound.

Aufarbeitung

  1. temperatureThe mixture was cooled to 0° C.
  2. temperatureThe reaction was maintained in the same conditions for 2.5 hours
  3. additionwere added and after further 2 hours the reaction
  4. customThe solvent was evaporated
  5. washwashed with water
  6. dry with materialThe organic phase was dried over Na2SO4
  7. customevaporated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-419a6d40644b4cc2890be3f1b934b1ae
Quelldatensatz
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08541575B2

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