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Dimethylformamide → N-{3-[2-(Acetylamino)ethyl]-4-hydroxy-2,3-dihydro-1H-inden-5-yl}-4-(benzyloxy)pentanamide

HRID 1039288
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1039288
[CH2:1]([O:8][CH:9]([CH3:15])[CH2:10][CH2:11][C:12]([OH:14])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(Cl)(=O)C(Cl)=O.CN(C)C=O.Cl.[NH2:28][C:29]1[C:37]([OH:38])=[C:36]2[C:32]([CH2:33][CH2:34][CH:35]2[CH2:39][CH2:40][NH:41][C:42](=[O:44])[CH3:43])=[CH:31][CH:30]=1>O1CCCC1.N1C=CC=CC=1>[C:42]([NH:41][CH2:40][CH2:39][CH:35]1[C:36]2[C:32](=[CH:31][CH:30]=[C:29]([NH:28][C:12](=[O:14])[CH2:11][CH2:10][CH:9]([O:8][CH2:1][C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=3)[CH3:15])[C:37]=2[OH:38])[CH2:33][CH2:34]1)(=[O:44])[CH3:43]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 6228DimethylformamideHCID 65578Oxalyl chlorideHCID 577812604-(Benzyloxy)pentanoic AcidHCID 67354374N-[2-(6-Amino-7-hydroxy-2,3-dihydro-1H-inden-1-yl)ethyl]acetamide Hydrochloride

Produkt 1

HCID 57781273N-{3-[2-(Acetylamino)ethyl]-4-hydroxy-2,3-dihydro-1H-inden-5-yl}-4-(benzyloxy)pentanamideAusbeute 57,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1049PyridineLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

4-(Benzyloxy)pentanoic acid (230 mg, 1.10 mmol) was dissolved in tetrahydrofuran (10 mL), oxalyl chloride (90 μL, 1.05 mmol) and dimethylformamide (10 μL) were added under ice-cooling, and the mixture was stirred for 30 min. The solvent was evaporated under reduced pressure, and the residue was diluted with dichloromethane (1 mL). This was added to a solution of N-[2-(6-amino-7-hydroxy-2,3-dihydro-1H-inden-1-yl)ethyl]acetamide hydrochloride (244 mg, 0.903 mmol) in pyridine (10 mL) under ice-cooling, and the mixture was stirred at room temperature for 15 min. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (ethyl acetate/hexane=80/20→100/0) to give the title compound (220 mg, yield 57%).

Aufarbeitung

  1. temperaturecooling
  2. customThe solvent was evaporated under reduced pressure
  3. additionthe residue was diluted with dichloromethane (1 mL)
  4. temperaturecooling
  5. stirringthe mixture was stirred at room temperature for 15 min
  6. customThe solvent was evaporated under reduced pressure
  7. customthe residue was purified by silica gel column chromatography (ethyl acetate/hexane=80/20→100/0)

Quellen und Nachweise

ORD-Eintrag
ord-146d6933e0bb42c1b5744f47a8ab6869
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08552037B2

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