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Cyclopropanemethanamine → 5-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyrazine-2-carboxylic acid cyclopropylmethyl-amide

HRID 600475
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 600475
[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][O:14][C:15]1[N:16]=[CH:17][C:18]([C:21]([OH:23])=O)=[N:19][CH:20]=1.F[B-](F)(F)F.[N:29]1(OC(N(C)C)=[N+](C)C)[C:33]2[CH:34]=[CH:35][CH:36]=CC=2N=N1.C(N(CC)C(C)C)(C)C.NCC1CC1>CN(C=O)C.O>[CH:34]1([CH2:33][NH:29][C:21]([C:18]2[CH:17]=[N:16][C:15]([O:14][CH2:13][C:3]3[C:4]([C:7]4[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=4)=[N:5][O:6][C:2]=3[CH3:1])=[CH:20][N:19]=2)=[O:23])[CH2:36][CH2:35]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 75646CyclopropanemethanamineHCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 684440545-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyrazine-2-carboxylic acid

Produkt 1

HCID 426360925-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyrazine-2-carboxylic acid cyclopropylmethyl-amide

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 5-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyrazine-2-carboxylic acid (150 mg, 0.48 mmol) in DMF (2 mL) were added 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate (170 mg, 0.55 mmol), N,N-diisopropyl ethyl amine (410 μL, 2.4 mmol) and aminomethylcyclopropane (41 mg, 0.58 mmol). The resulting reaction mixture was stirred for 30 min at room temperature and diluted with water. The mixture was then extracted with ethyl acetate and the combined organic layers washed with aqueous sodium carbonate (saturated) and dried over sodium sulfate. Concentration and purification by chromatography (SiO2, heptane:ethyl acetate=90:10 to 60:40) (117 mg, 67%) which was obtained as an off-white solid. MS: m/e=365.3 [M+H]+.

Aufarbeitung

  1. customThe resulting reaction mixture
  2. extractionThe mixture was then extracted with ethyl acetate
  3. washthe combined organic layers washed with aqueous sodium carbonate (saturated)
  4. dry with materialdried over sodium sulfate
  5. concentrationConcentration and purification by chromatography (SiO2, heptane:ethyl acetate=90:10 to 60:40) (117 mg, 67%) which
  6. customwas obtained as an off-white solid

Quellen und Nachweise

ORD-Eintrag
ord-626b3af7fbe544fd91f4dd2d5c1e553c
Quelldatensatz
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07902201B2

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