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Methanol → N-[2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(trifluoromethoxy)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide

HRID 504903
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 504903
[CH3:1][N:2]([S:28]([C:31]1[S:32][CH:33]=[CH:34][CH:35]=1)(=[O:30])=[O:29])[C:3]1[CH:4]=[C:5]([O:23][C:24]([F:27])([F:26])[F:25])[CH:6]=[C:7]2[C:11]=1[NH:10][C:9]([C:12]1[S:13][CH:14]([CH2:17][C:18](OCC)=[O:19])[CH2:15][N:16]=1)=[CH:8]2.O1CCCC1.CO.[BH4-].[Li+]>O>[OH:19][CH2:18][CH2:17][CH:14]1[S:13][C:12]([C:9]2[NH:10][C:11]3[C:7]([CH:8]=2)=[CH:6][C:5]([O:23][C:24]([F:26])([F:25])[F:27])=[CH:4][C:3]=3[N:2]([CH3:1])[S:28]([C:31]2[S:32][CH:33]=[CH:34][CH:35]=2)(=[O:30])=[O:29])=[N:16][CH2:15]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 887MethanolHCID 8028TetrahydrofuranHCID 4148881Lithium borohydride2×HCID 57476345ethyl {2-[7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate

Produkt 1

HCID 59135731N-[2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(trifluoromethoxy)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide
Ausbeute 34 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

To a mixture of ethyl {2-[7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate (350 mg), tetrahydrofuran (15 mL) and methanol (3 mL) was added lithium borohydride (30 mg), and the mixture was stirred at room temperature for 2 hr. Lithium borohydride (15 mg) was added to the mixture, and the mixture was further stirred at room temperature for 2 hr. Water 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 residue was subjected to silica gel column chromatography, and eluted with hexane-ethyl acetate (2:1-1:4, volume ratio) to give the title compound (110 mg, yield 34%) as colorless crystals. The crystals were recrystallized from ethyl acetate-hexane to give colorless prism crystals. melting point 152-153° C.

Aufarbeitung

  1. stirringthe mixture was further stirred at room temperature for 2 hr
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe ethyl acetate layer was washed with saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated
  6. washeluted with hexane-ethyl acetate (2:1-1:4, volume ratio)

Quellen und Nachweise

ORD-Eintrag
ord-143634629bca4ebc9ab87b02ffe2559c
Quelldatensatz
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07777047B2

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