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Tert-butyl 3-amino-2,2-dimethylpropanoate → 3-[(1-Benzyl-5-hydroxy-2-oxo-3-phenyl-1,2-dihydro-[1,7]naphthyridine-6-carbonyl)-amino]-2,2-dimethyl-propionic acid tert-butyl ester

HRID 1410837
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HRID 1410837 반응식
CO[C:3]([C:5]1[C:6]([OH:29])=[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]=[CH:25][CH:24]=1)=[CH:8]2)=[O:4].[C:30]([O:34][C:35](=[O:41])[C:36]([CH3:40])([CH3:39])[CH2:37][NH2:38])([CH3:33])([CH3:32])[CH3:31]>CCO>[C:30]([O:34][C:35](=[O:41])[C:36]([CH3:40])([CH3:39])[CH2:37][NH:38][C:3]([C:5]1[C:6]([OH:29])=[C:7]2[C:12](=[CH:13][N:14]=1)[N:11]([CH2:15][C:16]1[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=1)[C:10](=[O:22])[C:9]([C:23]1[CH:24]=[CH:25][CH:26]=[CH:27][CH:28]=1)=[CH:8]2)=[O:4])([CH3:33])([CH3:31])[CH3:32]
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참가 물질

4

반응물 2

HCID 15430260Tert-butyl 3-amino-2,2-dimethylpropanoateHCID 682973581-Benzyl-5-hydroxy-2-oxo-3-phenyl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester

생성물 1

HCID 682976033-[(1-Benzyl-5-hydroxy-2-oxo-3-phenyl-1,2-dihydro-[1,7]naphthyridine-6-carbonyl)-amino]-2,2-dimethyl-propionic acid tert-butyl ester수율 53.5%

시약·촉매·용매 1

HCID 702Ethanol용매

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온도
140 °C

실험 절차

A mixture of 1-benzyl-5-hydroxy-2-oxo-3-phenyl-1,2-dihydro-[1,7]naphthyridine-6-carboxylic acid methyl ester (30 mg, 0.078 mmol) and 3-amino-2,2-dimethyl-propionic acid tert-butyl ester (40 mg, 0.233 mmol) in EtOH (2 mL) was heated at 140° C. for 6 h in a microwave reactor. Solvent was evaporated in vacuo, and the residue was purified by silica gel chromatography (0-15% EtOAc/hexanes+2% AcOH) to give 22 mg of the title compound as a yellow oil. 1H NMR (CDCl3, 200 MHz): δ=13.2 (s, 1H), 8.35 (s, 1H), 8.28 (t, 1H, J=6.2 Hz), 8.18 (s, 1H), 7.75-7.90 (m, 2H), 7.20-7.60 (m, 8H), 5.65 (s, 2H), 3.50 (d, 2H, J=6.6 Hz), 1.47 (s, 9H), 1.21 (s, 6H).

후처리

  1. customSolvent was evaporated in vacuo
  2. customthe residue was purified by silica gel chromatography (0-15% EtOAc/hexanes+2% AcOH)

출처 및 근거

ORD 기록
ord-aa0640f8735746b0ac235057f7d67ee0
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08921389B2

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