Diisopropylethylamine → 1-{1-[6-(4-Methyl-2-oxo-2,3-dihydro-benzoxazol-6-yloxy)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one
Reaction equation
[NH:1]1[CH2:6][CH2:5][CH:4]([N:7]2[C:15]3[C:10](=[N:11][CH:12]=[CH:13][CH:14]=3)[NH:9][C:8]2=[O:16])[CH2:3][CH2:2]1.Cl[C:18]1[N:23]=[CH:22][N:21]=[C:20]([O:24][C:25]2[CH:34]=[C:33]([CH3:35])[C:28]3[NH:29][C:30](=[O:32])[O:31][C:27]=3[CH:26]=2)[CH:19]=1.CCN(C(C)C)C(C)C>CN(C=O)C>[CH3:35][C:33]1[C:28]2[NH:29][C:30](=[O:32])[O:31][C:27]=2[CH:26]=[C:25]([O:24][C:20]2[N:21]=[CH:22][N:23]=[C:18]([N:1]3[CH2:2][CH2:3][CH:4]([N:7]4[C:15]5[C:10](=[N:11][CH:12]=[CH:13][CH:14]=5)[NH:9][C:8]4=[O:16])[CH2:5][CH2:6]3)[CH:19]=2)[CH:34]=1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
40 mg (0.18 mmol) 1-piperidin-4-yl-1,3-dihydroimidazo[4,5-b]pyridin-2-one, 50 mg (0.18 mmol) 6-(6-chloro-pyrimidin-4-yloxy)-4-methyl-3H-benzoxazol-2-one and 0.10 mL (0.58 mmol) DIPEA were combined in 1.8 mL DMF and stirred for 1 h at RT. Then another 40 mg (0.18 mmol) 1-piperidin-4-yl-1,3-dihydroimidazo-[4,5-b]pyridin-2-one were added and the mixture was stirred overnight. The reaction mixture was purified by preparative HPLC-MS. The product-containing fractions were combined, the acetonitrile was evaporated down, the precipitate was suction filtered and dried i. vac.
Workup
- stirringthe mixture was stirred overnight
- customThe reaction mixture was purified by preparative HPLC-MS
- customthe acetonitrile was evaporated down
- filtrationfiltered
- customdried i
Sources & evidence
- ORD record
- ord-8811d415373e47b484a00da2efad2aba
- Source dataset
- uspto-grants-2015_02
- Patent number
- US08952014B2
Reaction notes
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