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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 340729
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 340729
[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→80/20) 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→80/20)

Quellen und Nachweise

ORD-Eintrag
ord-31f6cdafb2be43f89700ea110d5b29b0
Quelldatensatz
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08895591B2

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