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Ethyl Acetate → 4'-{[4-(1,4-Dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}-2'-methoxybiphenyl-2-carbonitrile

HRID 1412570
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1412570
[O:1]1[C:5]2([CH2:10][CH2:9][CH:8]([NH:11][C:12]3[NH:16][N:15]=[CH:14][CH:13]=3)[CH2:7][CH2:6]2)[O:4][CH2:3][CH2:2]1.N12CCCN=C1CCCCC2.[C:28]([C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[C:36]1[CH:41]=[CH:40][C:39]([CH2:42][CH:43]([C:49](=O)[CH2:50][CH2:51][CH3:52])[C:44](OCC)=[O:45])=[CH:38][C:37]=1[O:54][CH3:55])#[N:29].C(OCC)(=O)C>CCN(C1C=CC=CC=1)CC.O>[O:4]1[C:5]2([CH2:6][CH2:7][CH:8]([N:11]3[C:44](=[O:45])[C:43]([CH2:42][C:39]4[CH:40]=[CH:41][C:36]([C:31]5[C:30]([C:28]#[N:29])=[CH:35][CH:34]=[CH:33][CH:32]=5)=[C:37]([O:54][CH3:55])[CH:38]=4)=[C:49]([CH2:50][CH2:51][CH3:52])[N:16]4[N:15]=[CH:14][CH:13]=[C:12]34)[CH2:9][CH2:10]2)[O:1][CH2:2][CH2:3]1
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Komponenten

7

Edukt 4

HCID 8857Ethyl AcetateHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 57460898Ethyl 2-[(2'-cyano-2-methoxybiphenyl-4-yl)methyl]-3-oxohexanoateHCID 67009993N-(1,4-dioxaspiro[4.5]dec-8-yl)-1H-pyrazol-5-amine

Produkt 1

HCID 670098494'-{[4-(1,4-Dioxaspiro[4.5]dec-8-yl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}-2'-methoxybiphenyl-2-carbonitrile
Ausbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 7061N,N-DiethylanilineLösungsmittel

Versuchsvorschrift

A solution of N-(1,4-dioxaspiro[4.5]dec-8-yl)-1H-pyrazol-5-amine (0.30 g), 1,8-diazabicyclo[5.4.0]undec-7-ene (0.017 mL) and ethyl 2-[(2′-cyano-2-methoxybiphenyl-4-yl)methyl]-3-oxohexanoate (0.26 g) in diethylaniline (2 mL) was stirred at 180° C. for 2 hr. The mixture was allowed to cool, ethyl acetate and water were added, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated. The residue was purified by silica gel column chromatography to give the title compound as a pale-yellow amorphous solid (0.25 g, 70%).

Aufarbeitung

  1. temperatureto cool
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with water and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-84d5f4503c3840d9bf7a919e75609f7d
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08921379B2

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