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

HRID 469388
Notes
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Reaction equation

HRID 469388 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]=[C:22]([CH3:24])[N:21]=[C:20]([C:25]([C:27]2[CH:36]=[C:35]([CH3:37])[C:30]3[NH:31][C:32](=[O:34])[O:33][C:29]=3[CH:28]=2)=[O:26])[CH:19]=1.CCN(C(C)C)C(C)C>CN(C=O)C>[CH3:24][C:22]1[N:23]=[C:18]([N:1]2[CH2:2][CH2:3][CH:4]([N:7]3[C:15]4[C:10](=[N:11][CH:12]=[CH:13][CH:14]=4)[NH:9][C:8]3=[O:16])[CH2:5][CH2:6]2)[CH:19]=[C:20]([C:25]([C:27]2[CH:36]=[C:35]([CH3:37])[C:30]3[NH:31][C:32](=[O:34])[O:33][C:29]=3[CH:28]=2)=[O:26])[N:21]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 22293182Bms-973013HCID 581811186-(6-chloro-2-methyl-pyrimidine-4-carbonyl)-4-methyl-3H-benzoxazol-2-one

Product 1

HCID 252694581-{1-[2-Methyl-6-(4-methyl-2-oxo-2,3-dihydro-benzoxazole-6-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

65 mg (0.30 mmol) 1-piperidin-4-yl-1,3-dihydroimidazo[4,5-b]pyridin-2-one, 91 mg (0.30 mmol) 6-(6-chloro-2-methyl-pyrimidine-4-carbonyl)-4-methyl-3H-benzoxazol-2-one and 0.11 mL (0.60 mmol) DIPEA were stirred overnight in 3 mL DMF at RT. Then the reaction mixture was purified by preparative HPLC-MS. The fractions containing the product were combined and the organic solvent evaporated down. The residue was neutralised with 4N aqueous sodium hydroxide solution, the precipitate formed was suction filtered, washed with water and dried.

Workup

  1. customThen the reaction mixture was purified by preparative HPLC-MS
  2. additionThe fractions containing the product
  3. customthe organic solvent evaporated down
  4. customthe precipitate formed
  5. filtrationfiltered
  6. washwashed with water
  7. customdried

Sources & evidence

ORD record
ord-3ba450d307064bbeb5a7b1f00694d538
Source dataset
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08629137B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes