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Triethyl phosphonoacetate → 5-ethoxycarbonylmethylidene-7-chloro-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzazepine

HRID 5583
ノート
印刷プレビュー

反応式

HRID 5583 の反応式
[H-].[Na+].C(OP([CH2:11][C:12]([O:14][CH2:15][CH3:16])=[O:13])(OCC)=O)C.O=[C:18]1[C:24]2[CH:25]=[C:26]([Cl:29])[CH:27]=[CH:28][C:23]=2[N:22]([C:30](=[O:48])[C:31]2[CH:36]=[CH:35][C:34]([NH:37][C:38](=[O:46])[C:39]3[CH:44]=[CH:43][CH:42]=[CH:41][C:40]=3[CH3:45])=[CH:33][C:32]=2[CH3:47])[CH2:21][CH2:20][CH2:19]1>O1CCCC1>[CH2:15]([O:14][C:12]([CH:11]=[C:18]1[C:24]2[CH:25]=[C:26]([Cl:29])[CH:27]=[CH:28][C:23]=2[N:22]([C:30](=[O:48])[C:31]2[CH:36]=[CH:35][C:34]([NH:37][C:38](=[O:46])[C:39]3[CH:44]=[CH:43][CH:42]=[CH:41][C:40]=3[CH3:45])=[CH:33][C:32]=2[CH3:47])[CH2:21][CH2:20][CH2:19]1)=[O:13])[CH3:16]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 13345Triethyl phosphonoacetateHCID 24758Sodium hydrideHCID 113628435-Dehydro Tolvaptan

生成物 1

HCID 542377055-ethoxycarbonylmethylidene-7-chloro-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzazepine

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To tetrahydrofuran (200 ml) is added sodium hydride (60%, 0.85 g), and thereto is added dropwise ethyl diethylphosphonoacetate (4.68 ml) with stirring under ice-cooling, and the mixture is further stirred under ice-cooling for 10 minutes. To the reaction mixture is added 5-oxo-7-chloro-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzazepine (2.10 g), and the mixture is stirred at room temperature for 6 hours. The reaction solution is poured into ice-water (200 ml), and extracted with ethyl acetate (300 ml). The extract is washed with brine (300 ml), dried over magnesium sulfate, and the solvent is distilled off. The resulting residue is purified by silica gel column chromatography (eluent; ethyl acetate: n-hexane=1:2) to give 5-ethoxycarbonylmethylidene-7-chloro-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5-tetrahydro-1H-benzazepine (2.22 g) in the form of a mixture of the E-type compound and the Z-type compound thereof, as colorless amorphous.

後処理

  1. temperaturecooling
  2. stirringthe mixture is further stirred under ice-
  3. temperaturecooling for 10 minutes
  4. stirringthe mixture is stirred at room temperature for 6 hours
  5. extractionextracted with ethyl acetate (300 ml)
  6. washThe extract is washed with brine (300 ml)
  7. dry with materialdried over magnesium sulfate
  8. distillationthe solvent is distilled off
  9. customThe resulting residue is purified by silica gel column chromatography (eluent; ethyl acetate: n-hexane=1:2)

出典と根拠

ORDレコード
ord-2aaa607f367b4114b06385b6e442d470
出典データセット
uspto-grants-1993_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05244898

反応ノート

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