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Water → 2-(acetylpiperidin-4-ylamino)-4-{3-isopropyl-4-(quinolin-3-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl}benzonitrile

HRID 1625234
Notes
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Reaction equation

HRID 1625234 reaction equation
[CH:1]([C:4]1[C:12]2[C:7](=[N:8][CH:9]=[CH:10][C:11]=2[C:13]2[CH:14]=[N:15][C:16]3[C:21]([CH:22]=2)=[CH:20][CH:19]=[CH:18][CH:17]=3)[N:6]([C:23]2[CH:30]=[CH:29][C:26]([C:27]#[N:28])=[C:25]([NH:31][CH:32]3[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]3)[CH:24]=2)[N:5]=1)([CH3:3])[CH3:2].C(N(CC)CC)C.[C:45](Cl)(=[O:47])[CH3:46].O>C(Cl)(Cl)Cl>[C:45]([N:31]([CH:32]1[CH2:33][CH2:34][NH:35][CH2:36][CH2:37]1)[C:25]1[CH:24]=[C:23]([N:6]2[C:7]3=[N:8][CH:9]=[CH:10][C:11]([C:13]4[CH:14]=[N:15][C:16]5[C:21]([CH:22]=4)=[CH:20][CH:19]=[CH:18][CH:17]=5)=[C:12]3[C:4]([CH:1]([CH3:3])[CH3:2])=[N:5]2)[CH:30]=[CH:29][C:26]=1[C:27]#[N:28])(=[O:47])[CH3:46]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 6367Acetyl chlorideHCID 8471TriethylamineHCID 675014474-{3-Isopropyl-4-(quinolin-3-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl}-2-(piperidin-4-ylamino)benzonitrile

Product 1

HCID 675006012-(acetylpiperidin-4-ylamino)-4-{3-isopropyl-4-(quinolin-3-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl}benzonitrileYield 68%

Reagents, catalysts & solvents 1

HCID 6212ChloroformSolvent2×

Procedure

Compound (77a) (0.050 g) and triethylamine (0.017 mL) were dissolved in chloroform (1.0 mL), and acetyl chloride (0.017 mL) was added to the resulting mixture, followed by stirring at room temperature for 15 hr. The reaction solution was distributed between chloroform and water. The organic layer was washed with saturated saline and then dried over anhydrous sodium sulfate. The solvent was distilled away to obtain 2-(acetylpiperidin-4-ylamino)-4-{3-isopropyl-4-(quinolin-3-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl}benzonitrile, which was used in the subsequent reaction without being purified. According to Example 1(7), compound (77) (the second stage yield: 68%) was prepared as a white solid using 2-(acetylpiperidin-4-ylamino)-4-{3-isopropyl-4-(quinolin-3-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl}benzonitrile instead of compound (1f).

Workup

  1. washThe organic layer was washed with saturated saline
  2. dry with materialdried over anhydrous sodium sulfate
  3. distillationThe solvent was distilled away

Sources & evidence

ORD record
ord-2071ef2f2c0c46eb8a6f462946b19693
Source dataset
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08779142B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes