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Sodium Bicarbonate → N-(2-{5-[(1,1-dioxidothiomorpholino)methyl]-4,5-dihydro-1,3-thiazol-2-yl}-1H-indol-7-yl)-N-methylthiophene-2-sulfonamide

HRID 504935
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 504935
[CH:1]([CH:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH2:4]1)=O.[NH:27]1[CH2:32][CH2:31][S:30](=[O:34])(=[O:33])[CH2:29][CH2:28]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(=O)([O-])O.[Na+]>O1CCCC1>[O:33]=[S:30]1(=[O:34])[CH2:31][CH2:32][N:27]([CH2:1][CH:3]2[S:7][C:6]([C:8]3[NH:9][C:10]4[C:15]([CH:16]=3)=[CH:14][CH:13]=[CH:12][C:11]=4[N:17]([CH3:26])[S:18]([C:21]3[S:22][CH:23]=[CH:24][CH:25]=3)(=[O:20])=[O:19])=[N:5][CH2:4]2)[CH2:28][CH2:29]1
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Komponenten

6

Edukt 4

HCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 6484228Thiomorpholine 1,1-dioxideHCID 57503226HCID 57503226, Verbindung

Produkt 1

HCID 59136083N-(2-{5-[(1,1-dioxidothiomorpholino)methyl]-4,5-dihydro-1,3-thiazol-2-yl}-1H-indol-7-yl)-N-methylthiophene-2-sulfonamideAusbeute 20 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a mixture of N-[2-(5-formyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide (550 mg), thiomorpholine 1,1-dioxide (270 mg) and tetrahydrofuran (15 mL) was added sodium triacetoxyborohydride (420 mg) at room temperature, and the mixture was stirred for 10 min. Saturated aqueous sodium hydrogencarbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography to give pale-pink crystals from a fraction eluted with ethyl acetate:hexane=50:50. The obtained pale-pink crystals were purified by preparative HPLC to give the title compound (140 mg, yield 20%) as white crystals. melting point 242° C.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. customto give pale-pink crystals from a fraction
  6. washeluted with ethyl acetate
  7. customThe obtained pale-pink crystals were purified by preparative HPLC

Quellen und Nachweise

ORD-Eintrag
ord-592587418de84c8da49f0b2acfb3b7b4
Quelldatensatz
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07777047B2

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