1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride → 5-({2-[4-(2-tert-butylphenyl)piperazin-1-yl]-2-oxoethyl}sulfanyl)-1,3-dimethyl-1H-pyrazole-4-carbaldehyde

HRID 534876ノート

反応式

HRID 534876 の反応式
Cl.Cl.[C:3]([C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=1[N:13]1[CH2:18][CH2:17][NH:16][CH2:15][CH2:14]1)([CH3:6])([CH3:5])[CH3:4].[CH:19]([C:21]1[C:22]([CH3:32])=[N:23][N:24]([CH3:31])[C:25]=1[S:26][CH2:27][C:28](O)=[O:29])=[O:20].Cl.C(N=C=NCCCN(C)C)C.O.ON1C2C=CC=CC=2N=N1>O.CN(C)C=O.C(N(CC)CC)C>[C:3]([C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=1[N:13]1[CH2:18][CH2:17][N:16]([C:28](=[O:29])[CH2:27][S:26][C:25]2[N:24]([CH3:31])[N:23]=[C:22]([CH3:32])[C:21]=2[CH:19]=[O:20])[CH2:15][CH2:14]1)([CH3:6])([CH3:4])[CH3:5]

参加物

8

反応物 4

HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 470023932-[(4-formyl-1,3-dimethyl-1H-pyrazol-5-yl)sulfanyl]acetic acidHCID 667511491-(2-Tert-butylphenyl)piperazine dihydrochloride

生成物 1

HCID 866633985-({2-[4-(2-tert-butylphenyl)piperazin-1-yl]-2-oxoethyl}sulfanyl)-1,3-dimethyl-1H-pyrazole-4-carbaldehyde収率 64%

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒HCID 8471Triethylamine溶媒

実験手順

A mixture of 1-(2-tert-butylphenyl)piperazine dihydrochloride obtained in Reference Example 1 (1.0 g), [(4-formyl-1,3-dimethyl-1H-pyrazol-5-yl)sulfanyl]acetic acid obtained in Reference Example 3 (736 mg), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (786 mg), 1-hydroxy-1H-benzotriazole monohydrate (628 mg), triethylamine (1.39 mL), and N,N-dimethylformamide (50 mL) was stirred at room temperature for over-night. Water was added to the reaction solution, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by flash column chromatography (silica gel, 80:20-30:70 hexane/ethyl acetate) to provide 5-({2-[4-(2-tert-butylphenyl)piperazin-1-yl]-2-oxoethyl}sulfanyl)-1,3-dimethyl-1H-pyrazole-4-carbaldehyde (900 mg, 64%) as a colorless oil.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by flash column chromatography (silica gel, 80:20-30:70 hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-336bfa2e363c4b49b742b8062c47e5a5
出典データセット
uspto-grants-2014_10
特許番号
US08853215B2

反応ノート

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