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Ethanolamine → N-(2-Hydroxy-ethyl)-6-[(5-methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-nicotinamide

HRID 332390
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 332390
[CH3:1][C:2]1[O:6][N:5]=[C:4]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[C:3]=1[CH2:13][NH:14][C:15]1[CH:23]=[CH:22][C:18]([C:19]([OH:21])=O)=[CH:17][N:16]=1.F[B-](F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2C=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C.[CH2:55]([CH2:57][NH2:58])[OH:56]>C(OCC)(=O)C.CN(C=O)C>[OH:56][CH2:55][CH2:57][NH:58][C:19](=[O:21])[C:18]1[CH:22]=[CH:23][C:15]([NH:14][CH2:13][C:3]2[C:4]([C:7]3[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=3)=[N:5][O:6][C:2]=2[CH3:1])=[N:16][CH:17]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 700EthanolamineHCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 684464016-[(5-Methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-nicotinic acid

Produkt 1

HCID 68935584N-(2-Hydroxy-ethyl)-6-[(5-methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-nicotinamideAusbeute 88 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a mixture of 6-[(5-methyl-3-phenyl-isoxazol-4-ylmethyl)-amino]-nicotinic acid (200 mg, 0.65 mmol) and 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate (228 mg, 0.71 mmol) was added DMF (2 mL). After stirring for 2 min at ambient temperature N,N-diisopropyl ethyl amine (553 μL, 3.23 mmol) and ethanolamine (47 μl, 0.78 mmol) were added and the resulting solution was stirred for 2 h at this temperature. It was diluted with ethyl acetate (15 mL) and washed with water (20 mL) and brine (15 mL). The aqueous layers were extracted with ethyl acetate and the combined organic layers were dried over sodium sulfate. Concentration and purification by chromatography (SiO2, heptane:ethyl acetate: methanol=30:70:0 to 0:95:5) afforded the title compound (200 mg, 88%) as a white solid. MS: m/e=353.2 [M+H]+.

Aufarbeitung

  1. additionwere added
  2. washwashed with water (20 mL) and brine (15 mL)
  3. extractionThe aqueous layers were extracted with ethyl acetate
  4. dry with materialthe combined organic layers were dried over sodium sulfate
  5. concentrationConcentration and purification by chromatography (SiO2, heptane:ethyl acetate: methanol=30:70:0 to 0:95:5)

Quellen und Nachweise

ORD-Eintrag
ord-cebde54c669142419d9a5dc7e4fc39a9
Quelldatensatz
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08877783B2

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