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Triethylamine → n-[2-[2-(1,1-Dimethyl-2-propenyl)-1h-indol-3-yl]ethyl]-carbamic acid phenylmethyl ester

HRID 1370409
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1370409
[CH3:1][C:2]([C:6]1[NH:7][C:8]2[C:13]([C:14]=1[CH2:15][CH2:16][NH2:17])=[CH:12][CH:11]=[CH:10][CH:9]=2)([CH3:5])[CH:3]=[CH2:4].CCN(CC)CC.[CH2:25]([O:32][C:33](Cl)=[O:34])[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1>C(Cl)Cl>[C:26]1([CH2:25][O:32][C:33](=[O:34])[NH:17][CH2:16][CH2:15][C:14]2[C:13]3[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=3)[NH:7][C:6]=2[C:2]([CH3:1])([CH3:5])[CH:3]=[CH2:4])[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1
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Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 10387Benzyl chloroformateHCID 223967402-(1,1-dimethyl-2-propenyl)-1H-indole-3-ethanamine

Produkt 1

HCID 69792966n-[2-[2-(1,1-Dimethyl-2-propenyl)-1h-indol-3-yl]ethyl]-carbamic acid phenylmethyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

To a solution of 2-(1,1-dimethyl-2-propenyl)-1H-indole-3-ethanamine (0.707 g, 3.07 mmol) in dry CH2Cl2 (30 mL) at 0° C. under argon was added NEt3 (0.98 mL, 6.93 mmol) and BnOC(O)Cl (1.10 mL, 7.32 mmol). The reaction was permitted to warm to rt while stirring overnight. It was diluted with CH2Cl2, and extracted with cold H2O. The CH2Cl2 layer was separated. The H2O layer was re-extracted with CH2Cl2. The combined CH2Cl2 extracts were washed with satd aq NaHCO3 and brine, dried, filtered and concentrated to give an oil. This oil was purified by silica chromatography to provide the title compound: TLC Rf=0.34 (CH2Cl2); MS (EI) m/z 362.3, 254, 211, 198, 182. 168, 167, 108, 91, 77, 65, 51; 1H NMR (300 MHz, CDCl3) δ 7.89 (1H), 7.56 (1H), 7.33-7.26 (6H), 7.10 (2H), 6.12 (1H), 5.18-5.12 (2H), 5.12 (2H), 4.87 (1H), 3.47 (2H), 3.07 (2H), 1.53 (6H).

Aufarbeitung

  1. extractionextracted with cold H2O
  2. customThe CH2Cl2 layer was separated
  3. extractionThe H2O layer was re-extracted with CH2Cl2
  4. washThe combined CH2Cl2 extracts were washed with satd aq NaHCO3 and brine
  5. customdried
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customto give an oil
  9. customThis oil was purified by silica chromatography

Quellen und Nachweise

ORD-Eintrag
ord-9e5f6684aa474e13a766aaebd54436ca
Quelldatensatz
uspto-grants-2003_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06583135B2

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