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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 1356283
ノート
印刷プレビュー

反応式

HRID 1356283 の反応式
[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
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 7732P-AnisidineHCID 12734DiisopropylcarbodiimideHCID 218852-DimethylaminopyridineHCID 223970103-(3-(tert-butoxycarbonyl)-2,3,4,5-tetrahydroazepino[4,5-b]indol-6(1H)-yl)propanoic acid

生成物 1

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

試薬・触媒・溶媒

2
HCID 8028Tetrahydrofuran溶媒HCID 8857Ethyl Acetate溶媒

実験手順

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)+.

後処理

  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)

出典と根拠

ORDレコード
ord-8c22cf9e21c8452c8c2ae07236a4496b
出典データセット
uspto-grants-2003_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06586421B2

反応ノート

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