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Indole-3-Butyric Acid → [4-(1H-Indol-3-yl)-butyl]-(7-methoxy-2,3-dihydro-benzo[1,4]dioxin-2-ylmethyl)amine

HRID 1290249
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1290249
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][CH2:11][CH2:12][C:13](O)=O)=[CH:2]1.O.ON1C2C=CC=CC=2N=N1.C(N=C=NC(C)C)(C)C.Cl.[CH3:37][O:38][C:39]1[CH:40]=[CH:41][C:42]2[O:47][CH2:46][C@H:45]([CH2:48][NH2:49])[O:44][C:43]=2[CH:50]=1>CN(C=O)C>[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][CH2:11][CH2:12][CH2:13][NH:49][CH2:48][CH:45]2[O:44][C:43]3[CH:50]=[C:39]([O:38][CH3:37])[CH:40]=[CH:41][C:42]=3[O:47][CH2:46]2)=[CH:2]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 8617Indole-3-Butyric AcidHCID 12734DiisopropylcarbodiimideHCID 27960291-Hydroxybenzotriazole hydrateHCID 70200787(S)-7-methoxy-2,3-dihydro-1,4-benzodioxin-2-methanamine hydrochloride

Produkt 1

HCID 18923898[4-(1H-Indol-3-yl)-butyl]-(7-methoxy-2,3-dihydro-benzo[1,4]dioxin-2-ylmethyl)amineAusbeute 63 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel2×

Versuchsvorschrift

3-Indolebutyric acid (1.3 g, 6.5 mmole), 1-hydroxybenzotriazole hydrate (1.1 g, 7.8 mmole) and 1,3-diisopropylcarbodiimide (2.4 ml, 15.6 mmole) were combined in 100 ml of DMF and stirred at room temperature for 2 hours under a nitrogen atmosphere. To this was added dropwise (S)-7-methoxy-2,3-dihydro-1,4-benzodioxin-2-methanamine hydrochloride (1.5 g, 6.5 mmole) in 50 ml of DMF and the mixture was further stirred for 24 hours. The solvent was removed and replaced with dichloromethane. The mixture was then washed with H2O. The separated organic layer was dried over anhydrous sodium sulfate, filtered and concentrated in vacuum. The residue was chromatographed on a silica gel column using ethyl acetate as the eluant. Evaporation of product fractions gave 1.5 g (61%) of the desired product, (S)-(7-methoxy-2,3-dihydro-benzo[1,4]dioxin-2-ylmethyl)-4-(1H-indol-3-yl)-butanamide, as a foam.

Aufarbeitung

  1. stirringthe mixture was further stirred for 24 hours
  2. customThe solvent was removed
  3. washThe mixture was then washed with H2O
  4. dry with materialThe separated organic layer was dried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuum
  7. customThe residue was chromatographed on a silica gel column
  8. customEvaporation of product fractions

Quellen und Nachweise

ORD-Eintrag
ord-79d3293c36994725a9b2649cf472b858
Quelldatensatz
uspto-grants-1998_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05750724

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