Triethylamine → 4-Methyl-N-(5-methylisoxazol-4-yl)-3-[6-(4-methylpiperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzamide

HRID 641977Notes

Reaction equation

HRID 641977 reaction equation
[CH3:1][C:2]1[CH:10]=[CH:9][C:5]([C:6](O)=[O:7])=[CH:4][C:3]=1[N:11]1[C:20](=[O:21])[C:19]2[C:14](=[CH:15][CH:16]=[C:17]([N:22]3[CH2:27][CH2:26][N:25]([CH3:28])[CH2:24][CH2:23]3)[CH:18]=2)[N:13]=[CH:12]1.Cl.[NH2:30][C:31]1[CH:32]=[N:33][O:34][C:35]=1[CH3:36].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C>CN(C=O)C.O>[CH3:1][C:2]1[CH:10]=[CH:9][C:5]([C:6]([NH:30][C:31]2[CH:32]=[N:33][O:34][C:35]=2[CH3:36])=[O:7])=[CH:4][C:3]=1[N:11]1[C:20](=[O:21])[C:19]2[C:14](=[CH:15][CH:16]=[C:17]([N:22]3[CH2:27][CH2:26][N:25]([CH3:28])[CH2:24][CH2:23]3)[CH:18]=2)[N:13]=[CH:12]1

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 130332035-Methyl-1,2-oxazol-4-amine hydrochlorideHCID 669188194-methyl-3-[6-(4-methylpiperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzoic acid

Product 1

HCID 119970164-Methyl-N-(5-methylisoxazol-4-yl)-3-[6-(4-methylpiperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzamideYield 32.6%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

To a stirred slurry of 4-methyl-3-[6-(4-methylpiperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzoic acid (0.38 g) in DMF (50 ml) was added 4-amino-5-methylisoxazole hydrochloride (0.27 g), HATU (0.68 g) and triethylamine (0.55 ml) and the reaction mixture stirred at room temperature for 16 hours. The reaction mixture was diluted with water and extracted with ethyl acetate. The ethyl acetate layer was washed with 1N NaOH and dried (magnesium sulphate). The residue was purified by column chromatography on a silica column using initially ethyl acetate and then a 4:1 mixture of ethyl acetate and methanol as eluent. There was thus obtained the title compound (150 mg); NMR Spectrum: (DMSOd6) 2.15 (s, 3H), 2.40 (s, 3H), 2.83 (m, 4H), 3.15 (s, 3H), 3.40 (m, 4H), 7.50 (d, 1H), 7.60 (d, 1H), 7.64 (m, 2H), 7.98 (s, 1H), 8.04 (d, 1H), 8.13 (s, 1H), 8.70 (s, 1H), 10.10 (s, 1H); Mass Spectrum: M+H+ 459.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with 1N NaOH
  3. dry with materialdried (magnesium sulphate)
  4. customThe residue was purified by column chromatography on a silica column
  5. additiona 4:1 mixture of ethyl acetate and methanol as eluent

Sources & evidence

ORD record
ord-c0c7409d52bf42deaf8e94f9250805be
Source dataset
uspto-grants-2010_04
Patent number
US07696215B2

Reaction notes

Loading…