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Water → N-(Isoquinolin-4-yl)-4-(3-phenyl-1,2,4-thiadiazol-5-yl)piperazine-1-carboxamide

HRID 2262958
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2262958
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([NH:11][C:12](=[O:19])OCC(Cl)(Cl)Cl)=[CH:3][N:2]=1.[C:20]1([C:26]2[N:30]=[C:29]([N:31]3[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]3)[S:28][N:27]=2)[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1.C(N(C(C)C)CC)(C)C.O>CS(C)=O>[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([NH:11][C:12]([N:34]2[CH2:35][CH2:36][N:31]([C:29]3[S:28][N:27]=[C:26]([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=4)[N:30]=3)[CH2:32][CH2:33]2)=[O:19])=[CH:3][N:2]=1
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Komponenten

6

Edukt 4

HCID 962WaterHCID 81531DiisopropylethylamineHCID 27777601-(3-Phenyl-(1,2,4)thiadiazol-5-yl)-piperazineHCID 687756952,2,2-Trichloroethyl isoquinolin-4-ylcarbamate

Produkt 1

HCID 68779926N-(Isoquinolin-4-yl)-4-(3-phenyl-1,2,4-thiadiazol-5-yl)piperazine-1-carboxamideAusbeute 28,5 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 679Dimethyl SulfoxideLösungsmittel

Versuchsvorschrift

A mixed solution of 2,2,2-trichloroethyl isoquinolin-4-ylcarbamate (236 mg, 0.738 mmol), 1-(3-phenyl-1,2,4-thiadiazol-5-yl)piperazine (200 mg, 0.812 mmol) and diisopropylethylamine (0.129 ml, 0.738 mmol) in dimethyl sulfoxide (2.5 ml) was stirred at 70° C. for 3 hours. Water was poured to the reaction mixture, and the resulting solution was extracted with ethyl acetate. The extract was washed with water and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by high performance liquid chromatography (YMC HPLC Column eluted with 10% to 100% Liquid A; Liquid A: a 0.1% solution of trifluoroacetic acid in acetonitrile; Liquid B: an aqueous 0.1% trifluoroacetic acid solution) and recrystallized from a mixed solvent of hexane and tetrahydrofuran to give 87.7 mg (28.5%) of the desired product as a solid.

Aufarbeitung

  1. extractionthe resulting solution was extracted with ethyl acetate
  2. washThe extract was washed with water
  3. dry with materialdried over anhydrous magnesium sulfate
  4. distillationthe solvent was distilled off under reduced pressure
  5. customThe residue was purified by high performance liquid chromatography (YMC HPLC Column
  6. washeluted with 10% to 100% Liquid A
  7. customLiquid B: an aqueous 0.1% trifluoroacetic acid solution) and recrystallized from a mixed solvent of hexane and tetrahydrofuran

Quellen und Nachweise

ORD-Eintrag
ord-4367f80f173d494d922b2df2acfa3c3f
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07851473B2

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