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Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) → N-{2-[2-(4-Pyridin-2-ylbutyl)-7,8-dihydro-6H-indeno[5,4-d][1,3]oxazol-8-yl]ethyl}acetamide

HRID 1802731
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1802731
[C:1]([NH:4][CH2:5][CH2:6][CH:7]1[C:15]2[C:10](=[CH:11][CH:12]=[C:13]([NH:17][C:18](=O)[CH2:19][CH2:20][CH2:21][CH2:22][C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][N:24]=3)[C:14]=2[OH:16])[CH2:9][CH2:8]1)(=[O:3])[CH3:2].C1(C)C=CC(S([O-])(=O)=O)=CC=1.[NH+]1C=CC=CC=1>C1(C)C(C)=CC=CC=1>[N:24]1[CH:25]=[CH:26][CH:27]=[CH:28][C:23]=1[CH2:22][CH2:21][CH2:20][CH2:19][C:18]1[O:16][C:14]2[C:15]3[CH:7]([CH2:6][CH2:5][NH:4][C:1](=[O:3])[CH3:2])[CH2:8][CH2:9][C:10]=3[CH:11]=[CH:12][C:13]=2[N:17]=1
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Komponenten

4

Edukt 2

HCID 466102Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 57781225N-{3-[2-(Acetylamino)ethyl]-4-hydroxy-2,3-dihydro-1H-inden-5-yl}-5-pyridin-2-ylpentanamide

Produkt 1

HCID 57781213N-{2-[2-(4-Pyridin-2-ylbutyl)-7,8-dihydro-6H-indeno[5,4-d][1,3]oxazol-8-yl]ethyl}acetamideAusbeute 58,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7237O-XyleneLösungsmittel

Versuchsvorschrift

N-{3-[2-(Acetylamino)ethyl]-4-hydroxy-2,3-dihydro-1H-inden-5-yl}-5-pyridin-2-ylpentanamide (37.7 mg, 0.0953 mmol) and pyridinium p-toluenesulfonate (4.8 mg, 0.0191 mmol) were heated under reflux in xylene (1 mL) for 1.5 hr. The solvent was evaporated under reduced pressure, washed with saturated aqueous sodium hydrogencarbonate solution and saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane=30/70→480/20) to give the title compound (20.9 mg, yield 58%).

Aufarbeitung

  1. customThe solvent was evaporated under reduced pressure
  2. washwashed with saturated aqueous sodium hydrogencarbonate solution and saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane=30/70→480/20)

Quellen und Nachweise

ORD-Eintrag
ord-588df9d065b2466d991583c8d11a7200
Quelldatensatz
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08349879B2

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