Diisopropylethylamine → 1-(3-(4-(Pyrimidin-2-yl)piperazine-1-carbonyl)benzyl)-5,6,7,8-tetrahydroquinazoline-2,4(1H,3H)-dione

HRID 512124Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 512124
[C:1]([C:4]1[CH:5]=[C:6]([CH:20]=[CH:21][CH:22]=1)[CH2:7][N:8]1[C:17]2[CH2:16][CH2:15][CH2:14][CH2:13][C:12]=2[C:11](=[O:18])[NH:10][C:9]1=[O:19])(O)=[O:2].[N:23]1[CH:28]=[CH:27][CH:26]=[N:25][C:24]=1[N:29]1[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]1.F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C>CN(C=O)C.O>[N:23]1[CH:28]=[CH:27][CH:26]=[N:25][C:24]=1[N:29]1[CH2:34][CH2:33][N:32]([C:1]([C:4]2[CH:5]=[C:6]([CH:20]=[CH:21][CH:22]=2)[CH2:7][N:8]2[C:17]3[CH2:16][CH2:15][CH2:14][CH2:13][C:12]=3[C:11](=[O:18])[NH:10][C:9]2=[O:19])=[O:2])[CH2:31][CH2:30]1

Komponenten

7

Edukt 4

HCID 81531DiisopropylethylamineHCID 887471-(2-Pyrimidinyl)piperazineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 89545385HCID 89545385, Verbindung

Produkt 1

HCID 715521911-(3-(4-(Pyrimidin-2-yl)piperazine-1-carbonyl)benzyl)-5,6,7,8-tetrahydroquinazoline-2,4(1H,3H)-dioneAusbeute 23,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A mixture of 1-(3-carboxybenzyl)-5,6,7,8-tetrahydroquinazoline-2,4(1H,3H)-dione (0.2 mmol), 1-(pyrimidin-2-yl)piperazine (0.2 mmol), 2-(7-aza-1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate (HATU, 0.26 mmol) and N,N-diisopropylethylamine (DIPEA, 0.4 mmol) in DMF (5 mL) was stirred at room temperature overnight. To the mixture was added 50 mL of water and it was extracted with EA (50 mL×3). The organic layer was washed by 1 N hydrochloric acid (50 mL×1) and saturated NaCl aquenous solution (50 mL×1), dried with anhydrous sodium sulfate, and concentrated to give the crude product, which was purified by flash chromatography (DCM: MeOH=20:1) to give the title compound (20.43 mg, 23.3% yield) as white solid. 1H NMR (DMSO-d6): 11.35 (s, 1H), 8.39 (d, J=4.5 Hz, 2H), 7.48-7.41 (m, 1H), 7.36-7.24 (m, 3H), 6.67 (t, J=4.8 Hz, 1H), 5.10 (s, 2H), 3.88-3.20 (m, 8H), 2.46-2.42 (m, 2H), 2.25-2.21 (m, 2H), 1.69-1.43 (m, 4H). MS: m/z 447.4 [M+H]+.

Aufarbeitung

  1. extractionwas extracted with EA (50 mL×3)
  2. washThe organic layer was washed by 1 N hydrochloric acid (50 mL×1) and saturated NaCl aquenous solution (50 mL×1)
  3. dry with materialdried with anhydrous sodium sulfate
  4. concentrationconcentrated
  5. customto give the crude product, which
  6. customwas purified by flash chromatography (DCM: MeOH=20:1)

Quellen und Nachweise

ORD-Eintrag
ord-02e31e72d2974c709a0609fdb05f4e43
Quelldatensatz
uspto-grants-2015_08
Patentnummer
US09102631B2

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