N-Ethyl cyclohexylamine → HCID 54210954、化合物

HRID 35251

反応式

HRID 35251 の反応式
[C:1]1([N:7]2[C:11]([CH2:12][CH2:13][CH2:14][C:15](O)=[S:16])=[N:10][N:9]=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH2:18]1[CH2:28][CH2:27][N:26]2[C:21](=NC[CH2:24][CH2:25]2)[CH2:20][CH2:19]1.ClC(OCC(C)C)=O.C(NC1CCCCC1)C>O1CCCC1>[CH2:25]([N:26]([CH:21]1[CH2:20][CH2:19][CH2:18][CH2:28][CH2:27]1)[C:15](=[S:16])[CH2:14][CH2:13][CH2:12][C:11]1[N:7]([C:1]2[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=2)[N:8]=[N:9][N:10]=1)[CH3:24]

参加物

6

反応物 4

HCID 21609N-Ethyl cyclohexylamineHCID 62365Isobutyl chloroformateHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 178526181HCID 178526181、化合物

生成物 1

HCID 54210954HCID 54210954、化合物収率 43%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

4-(1-Phenyl-1,2,3,4-tetrazol-5-yl)thio-butyric acid (45 mmol) is dissolved in tetrahydrofuran (50 ml) and thereto is added DBU (50 mmole). To the mixture is added dropwise with stirring isobutyl chloroformate (50 mmole) under ice-cooling. The mixture is stirred at room temperature for 30 minutes. To the mixture is added dropwise N-ethylcyclohexylamine (54 mmole) and the mixture is further stirred at room temperature for 2 hours. After distilling off the solvent under reduced pressure, the residue is extracted with chloroform. The chloroform layer is washed with 5% aqueous hydrochloric acid, an aqueous saturated sodium hydrogen carbonate solution and an aqueous saturated sodium chloride solution and dried over anhydrous sodium sulfate. Chloroform is distilled off and the resulting residue is subjected to column chromatogrophy (Wakogel C-200, eluting solvent, chloroform) to isolate N-ethyl-N-cyclohexyl-4-(1-phenyl-1,2,3,4-tetrazol-5-yl)thio-butyramide (yield: 43%), colorless liquid, nD18 =1.5590.

後処理

  1. temperaturecooling
  2. stirringthe mixture is further stirred at room temperature for 2 hours
  3. distillationAfter distilling off the solvent under reduced pressure
  4. extractionthe residue is extracted with chloroform
  5. washThe chloroform layer is washed with 5% aqueous hydrochloric acid
  6. dry with materialan aqueous saturated sodium hydrogen carbonate solution and an aqueous saturated sodium chloride solution and dried over anhydrous sodium sulfate
  7. distillationChloroform is distilled off
  8. washthe resulting residue is subjected to column chromatogrophy (Wakogel C-200, eluting solvent, chloroform)

出典と根拠

ORDレコード
ord-afe70d54050b460998d3b044f17e9b47
出典データセット
uspto-grants-1988_08
特許番号
US04766120

関連ノート

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