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Gamma-Aminobutyric Acid → 4-{[1-Benzyl-5-hydroxy-2-oxo-3-(3-trifluoromethyl-phenyl)-1,2-dihydro-[1,7]naphthyridine-6-carbonyl]-amino}-butyric acid

HRID 1411064
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HRID 1411064 반응식
CO[C:3]([C:5]1[C:6]([OH:33])=[C:7]2[C:12](=[CH:13][N:14]=1)[N:11]([CH2:15][C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)[C:10](=[O:22])[C:9]([C:23]1[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[CH:24]=1)=[CH:8]2)=[O:4].[NH2:34][CH2:35][CH2:36][CH2:37][C:38]([OH:40])=[O:39].C[O-].[Na+]>C([O-])(O)=O.[Na+]>[CH2:15]([N:11]1[C:12]2[C:7](=[C:6]([OH:33])[C:5]([C:3]([NH:34][CH2:35][CH2:36][CH2:37][C:38]([OH:40])=[O:39])=[O:4])=[N:14][CH:13]=2)[CH:8]=[C:9]([C:23]2[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:30])([F:32])[F:31])[CH:24]=2)[C:10]1=[O:22])[C:16]1[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 119Gamma-Aminobutyric AcidHCID 10942334Sodium MethoxideHCID 682972811-Benzyl-5-hydroxy-2-oxo-3-(3-trifluoromethyl-phenyl)-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester

생성물 1

HCID 682976234-{[1-Benzyl-5-hydroxy-2-oxo-3-(3-trifluoromethyl-phenyl)-1,2-dihydro-[1,7]naphthyridine-6-carbonyl]-amino}-butyric acid수율 38.9%

시약·촉매·용매 1

HCID 516892
Sodium Bicarbonate
용매

실험 절차

A mixture of 1-benzyl-5-hydroxy-2-oxo-3-(3-trifluoromethyl-phenyl)-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester (40 mg, 0.088 mmol), 4-aminobutyric acid (726 mg, 7.0 mmol) and NaOMe solution (10.6 mL, 5.3 mmol, 0.5 M in MeOH) was refluxed for 16 h. After the mixture was cooled to r.t., the solvent was evaporated in vacuo. The residue was partitioned between EtOAc and water. 1 M HCl was added until pH was about 3. The aqueous layer was extracted with additional EtOAc, and the organic layers were combined, dried over MgSO4 and concentrated. The crude product was purified by silica gel chromatography (5-50% EtOAc/hexanes+1% AcOH). The product isolated was dissolved in saturated NaHCO3 and washed several times with ether. The aqueous layer was acidified to pH about 2, and the resulting precipitate was isolated by filtration to give 18 mg of the title compound. MS: (+) m/z 526.32 (M+1).

후처리

  1. temperaturewas refluxed for 16 h
  2. customthe solvent was evaporated in vacuo
  3. customThe residue was partitioned between EtOAc and water
  4. addition1 M HCl was added until pH was about 3
  5. extractionThe aqueous layer was extracted with additional EtOAc
  6. dry with materialdried over MgSO4
  7. concentrationconcentrated
  8. customThe crude product was purified by silica gel chromatography (5-50% EtOAc/hexanes+1% AcOH)
  9. customThe product isolated
  10. washwashed several times with ether
  11. customthe resulting precipitate was isolated by filtration

출처 및 근거

ORD 기록
ord-88449211a3a24ade88a17bcec0ddc178
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08921389B2

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