Diisopropylethylamine → 1-{1-[6-(4-Methyl-2-oxo-2,3-dihydrobenzoxazole-6-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

HRID 469372

Reaction equation

HRID 469372 reaction equation
Cl.Cl.[NH:3]1[CH2:8][CH2:7][CH:6]([N:9]2[C:17]3[C:12](=[N:13][CH:14]=[CH:15][CH:16]=3)[NH:11][C:10]2=[O:18])[CH2:5][CH2:4]1.Cl[C:20]1[N:25]=[CH:24][N:23]=[C:22]([C:26]([C:28]2[CH:37]=[C:36]([CH3:38])[C:31]3[NH:32][C:33](=[O:35])[O:34][C:30]=3[CH:29]=2)=[O:27])[CH:21]=1.CCN(C(C)C)C(C)C>CN(C=O)C>[CH3:38][C:36]1[C:31]2[NH:32][C:33](=[O:35])[O:34][C:30]=2[CH:29]=[C:28]([C:26]([C:22]2[N:23]=[CH:24][N:25]=[C:20]([N:3]3[CH2:4][CH2:5][CH:6]([N:9]4[C:17]5[C:12](=[N:13][CH:14]=[CH:15][CH:16]=5)[NH:11][C:10]4=[O:18])[CH2:7][CH2:8]3)[CH:21]=2)=[O:27])[CH:37]=1

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 222931811-(piperidin-4-yl)-1H,2H,3H-imidazo[4,5-b]pyridin-2-one dihydrochlorideHCID 581812066-(6-chloropyrimidine-4-carbonyl)-4-methyl-3H-benzoxazol-2-one

Product 1

HCID 252296701-{1-[6-(4-Methyl-2-oxo-2,3-dihydrobenzoxazole-6-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

64 mg (0.22 mmol) 1-piperidin-4-yl-1,3-dihydroimidazo[4,5-b]pyridin-2-one-dihydrochloride, 64 mg (0.221 mmol) 6-(6-chloropyrimidine-4-carbonyl)-4-methyl-3H-benzoxazol-2-one and 0.174 mL (1.00 mmol) DIPEA were stirred overnight in 2.0 mL DMF at RT. The mixture was purified by preparative HPLC-MS. The fractions containing the product were combined, the organic solvent was eliminated i. vac. and the aqueous phase remaining was neutralised with 4N aqueous NaOH solution. The precipitate was suction filtered, washed with water and dried in the CAD.

Workup

  1. customThe mixture was purified by preparative HPLC-MS
  2. additionThe fractions containing the product
  3. filtrationfiltered
  4. washwashed with water
  5. customdried in the CAD

Sources & evidence

ORD record
ord-99413ea0d9124c279cf51638c3c5e9d4
Source dataset
uspto-grants-2014_01
Patent number
US08629137B2

Linked notes

Loading…