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1-Hydroxybenzotriazole → N-[2-(benzylthio)-3,3-dimethoxypropyl]-5-(2-methoxyethoxy)-7-nitro-1H-indole-2-carboxamide

HRID 1960412
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1960412
[CH3:1][O:2][CH2:3][CH2:4][O:5][C:6]1[CH:7]=[C:8]2[C:12](=[C:13]([N+:15]([O-:17])=[O:16])[CH:14]=1)[NH:11][C:10]([C:18]([OH:20])=O)=[CH:9]2.[CH2:21]([S:28][CH:29]([CH:32]([O:35][CH3:36])[O:33][CH3:34])[CH2:30][NH2:31])[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1.N1(O)C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC>CCCCCC.C(OCC)(=O)C.CN(C)C=O>[CH2:21]([S:28][CH:29]([CH:32]([O:33][CH3:34])[O:35][CH3:36])[CH2:30][NH:31][C:18]([C:10]1[NH:11][C:12]2[C:8]([CH:9]=1)=[CH:7][C:6]([O:5][CH2:4][CH2:3][O:2][CH3:1])=[CH:14][C:13]=2[N+:15]([O-:17])=[O:16])=[O:20])[C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 574759902-(Benzylthio)-3,3-dimethoxypropan-1-amineHCID 574762195-(2-methoxyethoxy)-7-nitro-1H-indole-2-carboxylic acid

Produkt 1

HCID 59136022N-[2-(benzylthio)-3,3-dimethoxypropyl]-5-(2-methoxyethoxy)-7-nitro-1H-indole-2-carboxamide
Ausbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 6228DimethylformamideLösungsmittelHCID 8058HexaneLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

A mixture of 5-(2-methoxyethoxy)-7-nitro-1H-indole-2-carboxylic acid (4.7 g), 2-(benzylthio)-3,3-dimethoxypropan-1-amine (4.9 g), 1H-1,2,3-benzotriazol-1-ol (3.4 g), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (4.9 g) and N,N-dimethylformamide (150 mL) was stirred at room temperature for 15 hr. The reaction solution was concentrated under reduced pressure, ethyl acetate and water were added, and the mixture was extracted with ethyl acetate. The obtained organic layer was washed successively with aqueous citric acid solution, saturated aqueous sodium hydrogencarbonate solution and saturated brine, dried over magnesium sulfate, and filtrated, and the filtrate was concentrated under reduced pressure. The obtained crude product was subjected to silica gel column chromatography (ethyl acetate:hexane=20:80-80:20) to give the title compound (6.8 g, yield 97%) as a orange oil.

Aufarbeitung

  1. concentrationThe reaction solution was concentrated under reduced pressure, ethyl acetate and water
  2. additionwere added
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe obtained organic layer was washed successively with aqueous citric acid solution, saturated aqueous sodium hydrogencarbonate solution and saturated brine
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltrated
  7. concentrationthe filtrate was concentrated under reduced pressure
  8. customThe obtained crude product

Quellen und Nachweise

ORD-Eintrag
ord-f2fe78a6cadc4ea3b42b37f0eb3475ad
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08410087B2

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