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Dimethylformamide → 1-[2-(4-Chlorophenyl)-2-cyano-3-(2-furyl)propyl]-1,2,4-triazole

HRID 2255396
ノート
印刷プレビュー

反応式

HRID 2255396 の反応式
[H-].[Na+].[Cl:3][C:4]1[CH:9]=[CH:8][C:7]([CH:10]([CH2:13][C:14]2[O:15][CH:16]=[CH:17][CH:18]=2)[C:11]#[N:12])=[CH:6][CH:5]=1.CN(C=O)C.Cl.Cl[CH2:26][N:27]1[CH:31]=[N:30][CH:29]=[N:28]1>CCCCCC.C(OCC)(=O)C.CCOCC.O>[Cl:3][C:4]1[CH:9]=[CH:8][C:7]([C:10]([C:11]#[N:12])([CH2:13][C:14]2[O:15][CH:16]=[CH:17][CH:18]=2)[CH2:26][N:27]2[CH:31]=[N:30][CH:29]=[N:28]2)=[CH:6][CH:5]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

9

反応物 4

HCID 6228DimethylformamideHCID 24758Sodium hydrideHCID 125402312-(4-Chlorophenyl)-3-(2-furyl)propionitrileHCID 13268168HCID 13268168、化合物

生成物 1

HCID 197380491-[2-(4-Chlorophenyl)-2-cyano-3-(2-furyl)propyl]-1,2,4-triazole収率 37.1%

試薬・触媒・溶媒 4

HCID 962
Water
溶媒
HCID 3283Diethyl Ether溶媒
HCID 8058Hexane溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a flask under a nitrogen atmosphere was added 1.66 g. (0.069 mole) of 60% sodium hydride, which had been washed twice with hexane to remove the mineral oil, in 40 ml. of dry DMF. To this slurry at room temperature was added with stirring 6.40 g. (27.7 mmoles) of 2-(4-chlorophenyl)-3-(2-furyl)propionitrile in 25 ml. of dry DMF. The mixture was stirred for 45 minutes and then 4.66 g. (30.47 mmoles) of 1-(chloromethyl)-1,2,4-triazole hydrochloride was added directly in two portions. The flask contents were stirred for six hours after which 1.6 g. of 60% sodium hydride which had been washed with hexane to remove the oil was added to complete the reaction. Water, 20 ml., was added dropwise followed by 100 ml. of ether and 50 ml. of ethyl acetate. The combined extracts were dried, decolorized with activated charcoal, filtered through infusorial earth, and concentrated to give a thick oil which crystallized on cooling to 3.2 g. (37.1% yield) of 1-[2-(4-chlorophenyl)-2-cyano-3-(2-furyl)propyl]-1,2,4-triazole as a light yellow solid, melting point 112°-114° C.

後処理

  1. additionTo a flask under a nitrogen atmosphere was added 1.66 g
  2. customto remove the mineral oil
  3. additionTo this slurry at room temperature was added
  4. stirringThe mixture was stirred for 45 minutes
  5. stirringThe flask contents were stirred for six hours after which 1.6 g
  6. washof 60% sodium hydride which had been washed with hexane
  7. customto remove the oil
  8. additionwas added
  9. customthe reaction
  10. addition, was added dropwise
  11. customThe combined extracts were dried
  12. filtrationfiltered through infusorial earth
  13. concentrationconcentrated
  14. customto give a thick oil which
  15. customcrystallized
  16. temperatureon cooling to 3.2 g

出典と根拠

ORDレコード
ord-34bead7db4e34a428cd7fb867932d62d
出典データセット
uspto-grants-1993_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05240925

反応ノート

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