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P-Anisidine → tert-butyl 6-[3-(4-methoxyanilino)-3-oxopropyl]-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylate

HRID 1071075
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HRID 1071075 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:21][CH2:20][C:19]2[C:18]3[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=3[N:12]([CH2:22][CH2:23][C:24]([OH:26])=O)[C:11]=2[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:27][O:28][C:29]1[CH:34]=[CH:33][C:32]([NH2:35])=[CH:31][CH:30]=1.CN(C1C=CC=CN=1)C.C(N=C=NC(C)C)(C)C>C1COCC1.CCOC(C)=O>[CH3:27][O:28][C:29]1[CH:34]=[CH:33][C:32]([NH:35][C:24](=[O:26])[CH2:23][CH2:22][N:12]2[C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][C:18]=3[C:19]3[CH2:20][CH2:21][N:8]([C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:7])[CH2:9][CH2:10][C:11]2=3)=[CH:31][CH:30]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 7732P-AnisidineHCID 12734DiisopropylcarbodiimideHCID 218852-DimethylaminopyridineHCID 223970103-(3-(tert-butoxycarbonyl)-2,3,4,5-tetrahydroazepino[4,5-b]indol-6(1H)-yl)propanoic acid

생성물 1

HCID 22396876tert-butyl 6-[3-(4-methoxyanilino)-3-oxopropyl]-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylate수율 84%

시약·촉매·용매

2
HCID 8028Tetrahydrofuran용매HCID 8857Ethyl Acetate용매

실험 절차

3-(3-(tert-butoxycarbonyl)-2,3,4,5-tetrahydroazepino[4,5-b]indol-6(1H)-yl)propanoic acid (0.105 g, 0.292 mmol), p-anisidine (0.0377 g, 0.306 mmol, 1.05 equiv.) and dimethylaminopyridine (0.0357 g, 0.292 mmol, 1.00 equiv.) were dissolved in THF at rt under N2. Diisopropylcarbodiimide (0.0503 mL, 0.0405 g, 0.321 mmol, 1.00 equiv.) was added, then the reaction mixture was stirred for 29 h. The reaction mixture was taken up in EtOAc and washed with 10% aq. citric acid (2×), saturated aq. NaHCO3 (2×) and brine (1×). The organic layer was dried over MgSO4, filtered, and concentrated. The crude product (0.1686 g) was chromatographed (SiO2 25 g, eluted with 9:1 toluene: acetone) to give tert-butyl 6-[3-(4-methoxyanilino)-3-oxopropyl]-1,4,5,6-tetrahydroazepino[4,5-b]indole-3(2H)-carboxylate (0.113 g) in 84% yield. 1H NMR (300 MHz, CDCl3) δ 1.47, 2.68-2.76, 2.95-3.08, 3.56-3.70, 3.79, 4.53, 6.83, 7.12-7.54; MS (ESI+) for C27H33N3O4 m/z 464.0 (M+H)+.

후처리

  1. washwashed with 10% aq. citric acid (2×), saturated aq. NaHCO3 (2×) and brine (1×)
  2. dry with materialThe organic layer was dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe crude product (0.1686 g) was chromatographed
  6. wash(SiO2 25 g, eluted with 9:1 toluene: acetone)

출처 및 근거

ORD 기록
ord-633d9a03300f43e28ac91d893d096389
출처 데이터셋
uspto-grants-2005_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06903090B2

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