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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → 1-{3-[4-(4-chlorophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5-oxazolyl]propanoyl}-4-[(1-methyl-4-piperidinyl)methyl]piperazine

HRID 350757
ノート
印刷プレビュー

反応式

HRID 350757 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]=[C:10]([N:18]3[C:22]([CH3:23])=[CH:21][C:20]([CH3:24])=[N:19]3)[O:11][C:12]=2[CH2:13][CH2:14][C:15](O)=[O:16])=[CH:4][CH:3]=1.ON1C2N=CC=CC=2N=N1.C(N=C=NCCCN(C)C)C.[CH3:46][N:47]1[CH2:52][CH2:51][CH:50]([CH2:53][N:54]2[CH2:59][CH2:58][NH:57][CH2:56][CH2:55]2)[CH2:49][CH2:48]1>O.CN(C)C=O>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]=[C:10]([N:18]3[C:22]([CH3:23])=[CH:21][C:20]([CH3:24])=[N:19]3)[O:11][C:12]=2[CH2:13][CH2:14][C:15]([N:57]2[CH2:56][CH2:55][N:54]([CH2:53][CH:50]3[CH2:51][CH2:52][N:47]([CH3:46])[CH2:48][CH2:49]3)[CH2:59][CH2:58]2)=[O:16])=[CH:4][CH:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 181649HOAtHCID 27369421-((1-Methyl-4-piperidinyl)methyl)piperazineHCID 210886284-(4-Chlorophenyl)-2-(3,5-dimethyl-1-pyrazolyl)-5-oxazolepropionic acid

生成物 1

HCID 210884391-{3-[4-(4-chlorophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5-oxazolyl]propanoyl}-4-[(1-methyl-4-piperidinyl)methyl]piperazine
収率 72%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

A mixture of 3-[4-(4-chlorophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5-oxazolyl]propionic acid (51.5 mg), 1-hydroxy-7-aza-1H-1,2,3-benzotriazole (41 mg), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (46 mg), 4-[(1-methyl-4-piperidinyl)methyl]piperazine (60 mg) and N,N-dimethylformamide (0.5 ml) was stirred overnight at room temperature. The reaction mixture was poured into water and extracted with ethyl acetate. The ethyl acetate layer was concentrated, introduced into preparative HPLC and purified. Ethyl acetate was added to the obtained oil and the mixture was washed with saturated aqueous sodium hydrogen carbonate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated to give 1-{3-[4-(4-chlorophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5-oxazolyl]propanoyl}-4-[(1-methyl-4-piperidinyl)methyl]piperazine (54.5 mg, yield 72%). Recrystallization from ethanol-isopropyl ether gave colorless prism crystals. melting point: 126–127° c.

後処理

  1. extractionextracted with ethyl acetate
  2. concentrationThe ethyl acetate layer was concentrated
  3. additionintroduced into preparative HPLC
  4. custompurified
  5. additionEthyl acetate was added to the obtained oil
  6. washthe mixture was washed with saturated aqueous sodium hydrogen carbonate
  7. washThe ethyl acetate layer was washed with saturated brine
  8. dry with materialdried (MgSO4)
  9. concentrationconcentrated

出典と根拠

ORDレコード
ord-2c2b0df504714b5fb167bcb6182d436e
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07183276B2

反応ノート

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