Sodium hydride → 3-(2-Chloro-6-fluorophenyl)-1-(4-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-one

HRID 508947

Reaktionsgleichung

Reaktionsgleichung von HRID 508947
[Cl:1][C:2]1[CH:11]=[CH:10][C:5]([C:6](=[N:8][OH:9])[NH2:7])=[CH:4][CH:3]=1.[H-].[Na+].[Cl:14][C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([F:21])[C:16]=1[C:22]1[NH:26][C:25](=[O:27])[N:24]([C:28]2[CH:37]=[CH:36][C:31]([C:32](OC)=O)=[C:30]([O:38][CH3:39])[CH:29]=2)[N:23]=1>C1(C)C=CC=CC=1>[Cl:14][C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([F:21])[C:16]=1[C:22]1[NH:26][C:25](=[O:27])[N:24]([C:28]2[CH:37]=[CH:36][C:31]([C:32]3[O:9][N:8]=[C:6]([C:5]4[CH:10]=[CH:11][C:2]([Cl:1])=[CH:3][CH:4]=4)[N:7]=3)=[C:30]([O:38][CH3:39])[CH:29]=2)[N:23]=1

Komponenten

5

Edukt 3

HCID 24758Sodium hydrideHCID 2246504-chloro-N'-hydroxybenzenecarboximidamideHCID 136492448methyl 4-(3-(2-chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-methoxybenzoate

Produkt 1

HCID 1366125233-(2-Chloro-6-fluorophenyl)-1-(4-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)-3-methoxyphenyl)-1H-1,2,4-triazol-5(4H)-oneAusbeute 11,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1140TolueneLösungsmittel

Versuchsvorschrift

To a solution of 4-chloro-N′-hydroxybenzimidamide (Intermediate-19, 0.069 g, 0.39 mmol) in dry toluene was added sodium hydride (0.016 g, 0.39 mmol). The reaction mixture was refluxed for 30 minutes followed by addition of methyl 4-(3-(2-chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-methoxybenzoate (step-2 of Intermediate-15, 0.100 g, 0.26 mmol). The reaction mixture was refluxed for 5-6 h. The reaction mixture was quenched in water and extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulphate and concentrated to afford crude product which was further purified by column chromatography to afford 0.015 g of desired product. 1HNMR (DMSO-d6): δ 3.98 (s, 3H), 7.45-7.48 (m, 1H), 7.54 (d, J=8.1 Hz, 1H), 7.67 (d, J=8.4 Hz, 3H), 7.83 (d, J=8.1 Hz, 1H), 7.95 (s, 1H), 8.10 (d, J=8.4 Hz, 2H), 8.18 (d, J=8.7 Hz, 1H), 12.90 (br s, 1H). MS [M+H]+:499.89.

Aufarbeitung

  1. temperatureThe reaction mixture was refluxed for 30 minutes
  2. temperatureThe reaction mixture was refluxed for 5-6 h
  3. customThe reaction mixture was quenched in water
  4. extractionextracted with ethyl acetate
  5. dry with materialThe organic layer was dried over anhydrous sodium sulphate
  6. concentrationconcentrated
  7. customto afford crude product which
  8. customwas further purified by column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-c867b72329c04b8e9df4d3a1fe1cd38c
Quelldatensatz
uspto-grants-2015_08
Patentnummer
US09096545B2

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