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Acetic Acid → tert-butyl [(3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl)oxy]acetate

HRID 601360
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 601360
[CH:1]1([CH2:4][NH:5][N:6]2[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[C:9]([OH:16])=[C:8]([C:17]3[NH:22][C:21]4[CH:23]=[CH:24][C:25]([OH:27])=[CH:26][C:20]=4[S:19](=[O:29])(=[O:28])[N:18]=3)[C:7]2=[O:30])[CH2:3][CH2:2]1.Br[CH2:32][C:33]([O:35][C:36]([CH3:39])([CH3:38])[CH3:37])=[O:34].C(=O)([O-])[O-].[K+].[K+].C(O)(=O)C>CN(C)C=O.[I-].C([N+](CCCC)(CCCC)CCCC)CCC.O>[CH:1]1([CH2:4][NH:5][N:6]2[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[C:9]([OH:16])=[C:8]([C:17]3[NH:22][C:21]4[CH:23]=[CH:24][C:25]([O:27][CH2:32][C:33]([O:35][C:36]([CH3:39])([CH3:38])[CH3:37])=[O:34])=[CH:26][C:20]=4[S:19](=[O:28])(=[O:29])[N:18]=3)[C:7]2=[O:30])[CH2:2][CH2:3]1
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Komponenten

8

Edukt 4

HCID 176Acetic AcidHCID 11430Potassium CarbonateHCID 79177tert-Butyl bromoacetateHCID 136358401HCID 136358401, Verbindung

Produkt 1

HCID 136358498tert-butyl [(3-{1-[(cyclopropylmethyl)amino]-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl}-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-yl)oxy]acetateAusbeute 38,4 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 67553Tetrabutylammonium IodideKatalysatorHCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

The product of Example 320C (400 mg, 0.94 mmol) in N,N-dimethylformamide (10 mL) was reacted with tert-butyl bromoacetate (0.555 mL, 3.76 mmol), potassium carbonate (1.225 g, 3.76 mmol) and tetrabutylammonium iodide (catalytic) at 25° C. for overnight. The reaction mixture was diluted with water and adjusted to pH 7 with glacial acetic acid. The reaction was extracted with ethyl acetate and the organic layer was washed with aqueous sodium bicarbonate, water and brine, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. The resulting residue was chromatographed on silica gel eluting with a gradient of 3:1 hexanes:ethyl acetate to 1:1 hexanes:ethyl acetate to give the title compound (195 mg, 38%).

Aufarbeitung

  1. extractionThe reaction was extracted with ethyl acetate
  2. washthe organic layer was washed with aqueous sodium bicarbonate, water and brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe resulting residue was chromatographed on silica gel eluting with a gradient of 3:1 hexanes

Quellen und Nachweise

ORD-Eintrag
ord-ad5d0ab987e44504a56767bb945160ac
Quelldatensatz
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07902203B2

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