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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → Tricyclo[3.3.1.13,7]dec-2-yl (+/-)-[1-(1H-indol-3-ylmethyl)-1-methyl-2-[[2-(1-methyl-1H-pyrrol-2-yl) ethyl]amino]-2-oxoethyl]carbamate

HRID 54854
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 54854
[CH:1]12[CH2:10][CH:5]3[CH2:6][CH:7]([CH2:9][CH:3]([CH2:4]3)[CH:2]1[O:11][C:12]([NH:14][C:15]([CH3:29])([C:26](O)=[O:27])[CH2:16][C:17]1[C:25]3[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=3)[NH:19][CH:18]=1)=[O:13])[CH2:8]2.ON1C2C=CC=CC=2N=N1.CN(C)CCCN=C=NCC.[NH2:51][CH2:52][CH2:53][C:54]1[N:55]([CH3:59])[CH:56]=[CH:57][CH:58]=1>C(OCC)(=O)C.CN(C)C=O>[NH:19]1[C:20]2[C:25](=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:17]([CH2:16][C:15]([NH:14][C:12](=[O:13])[O:11][CH:2]2[CH:1]3[CH2:10][CH:5]4[CH2:6][CH:7]([CH2:9][CH:3]2[CH2:4]4)[CH2:8]3)([CH3:29])[C:26]([NH:51][CH2:52][CH2:53][C:54]2[N:55]([CH3:59])[CH:56]=[CH:57][CH:58]=2)=[O:27])=[CH:18]1
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Komponenten

7

Edukt 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 5650581-methyl-1H-pyrrole-2-ethylamineHCID 148025032-adamantyloxycarbonyl-alpha-methyl-DL-tryptophan

Produkt 1

HCID 86747497Tricyclo[3.3.1.13,7]dec-2-yl (+/-)-[1-(1H-indol-3-ylmethyl)-1-methyl-2-[[2-(1-methyl-1H-pyrrol-2-yl) ethyl]amino]-2-oxoethyl]carbamate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel2×

Versuchsvorschrift

To a solution of 2-adamantyloxycarbonyl-α-methyl-DL-tryptophan (0.401 g, 1.01 mmol) in dry ethyl acetate (4 mL) and N,N-dimethylformamide (4 mL) under nitrogen atmosphere was added 1-hydroxybenzotriazole (0.139 g, 1.03 mmol) followed by 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide (0.199 g, 1.04 mmol). This mixture was stirred 2 hours and 0.16 g (1.3 mmole) of 2-(2-aminoethyl)-1-methylpyrrole was added. After stirring an additional 18 hours, the resulting mixture was diluted with ethyl acetate (20 mL), and washed with aqueous 1N citric acid, saturated aqueous sodium bicarbonate, and brine solutions. The organic phase was dried over MgSO4 and purified by flash chromatography (SiO2, 4×20 cm, 230-400 mesh, 67% ethyl acetate/hexane eluant). Concentration followed by drying under vacuum for 48 hours at 60° C. provided 0.301 g (59%) at product; 1H NMR (CDCl3) δ1.49-1.60 (2H, m), 1.56 (3H, s), 1.70-2.00 (12H, m), 2.61 (2H, t, J 7 Hz), 3.23-3.55 (4H, m), 3.50 (3H, s), 4.82 (1H, br s), 5.20 (1H, br s), 5.76 (1H, br s), 6.00 (1H, t, J 3 Hz), 6.34 (1H, br s), 6.53 (1H, br s), 6.97 (1H, br s), 7.09-7.19 (2H, m), 7.36 (1H, d, J 8 Hz), 7.59 (1H, d, J 8 Hz), 8.16 (1H, br s).

Aufarbeitung

  1. stirringAfter stirring an additional 18 hours
  2. washwashed with aqueous 1N citric acid, saturated aqueous sodium bicarbonate, and brine solutions
  3. dry with materialThe organic phase was dried over MgSO4
  4. custompurified by flash chromatography (SiO2, 4×20 cm, 230-400 mesh, 67% ethyl acetate/hexane eluant)
  5. concentrationConcentration
  6. customby drying under vacuum for 48 hours at 60° C.
  7. customprovided 0.301 g (59%) at product

Quellen und Nachweise

ORD-Eintrag
ord-e3bc7f6f460e4e82abdc50db7acd260f
Quelldatensatz
uspto-grants-1997_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05622983

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