Sodium Bicarbonate → N,N-dimethyl-3-(5-(3-(morpholine-4-carbonyl)phenyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)benzamide

HRID 272016Notes

Reaction equation

HRID 272016 reaction equation
[CH3:1][N:2]([CH3:42])[C:3](=[O:41])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([C:10]2[C:18]3[C:13](=[N:14][CH:15]=[C:16]([C:19]4[CH:24]=[CH:23][CH:22]=[C:21]([C:25]([N:27]5[CH2:32][CH2:31][O:30][CH2:29][CH2:28]5)=[O:26])[CH:20]=4)[CH:17]=3)[N:12](COCC[Si](C)(C)C)[N:11]=2)[CH:5]=1.C(=O)(O)[O-].[Na+]>Cl(O)(=O)(=O)=O.C(O)(=O)C>[CH3:1][N:2]([CH3:42])[C:3](=[O:41])[C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([C:10]2[C:18]3[C:13](=[N:14][CH:15]=[C:16]([C:19]4[CH:24]=[CH:23][CH:22]=[C:21]([C:25]([N:27]5[CH2:28][CH2:29][O:30][CH2:31][CH2:32]5)=[O:26])[CH:20]=4)[CH:17]=3)[NH:12][N:11]=2)[CH:5]=1

Participants

5

Reactant 2

HCID 516892Sodium BicarbonateHCID 59836180N,N-dimethyl-3-(5-(3-(morpholine-4-carbonyl)phenyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)benzamide

Product 1

HCID 178484436N,N-dimethyl-3-(5-(3-(morpholine-4-carbonyl)phenyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)benzamideYield 18%

Reagents, catalysts & solvents 2

HCID 176Acetic AcidSolventHCID 24247Perchloric AcidSolvent

Procedure

A solution of N,N-dimethyl-3-(5-(3-(morpholine-4-carbonyl)phenyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)benzamide in 5% of perchloric acid in acetic acid (1 mL) was stirred for 1 h at room temperature. Saturated sodium bicarbonate solution was then added to the solution slowly until pH ˜8 and the mixture was stirred for 24 hours at room temperature. Ethyl acetate was then used for extraction and the organic layers were combined, dried over sodium sulfate, filtered and concentrated to dryness. Mass triggered reverse phase HPLC purification afforded N,N-dimethyl-3-(5-(3-(morpholine-4-carbonyl)phenyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)benzamide (7.4 mg, 18% yield over two steps) as light yellow solids. 1H NMR (500 MHz, CDCl3) δ 2.99 (s, 3H), 3.10 (s, 3H), 3.46 (br, 2H), 3.61 (br, 2H), 3.76 (br, 4H), 7.40 (d, J=7.0 Hz, 1H), 7.47 (d, J=8.0 Hz, 1H), 7.52 (m, 2H), 7.64 (d, J=7.5 Hz, 1H), 7.68 (s, 1H), 7.98 (m, 2H), 8.62 (s, 1H), 8.85 (br, 1H). MS: m/z 456.1 (M+H+).

Workup

  1. extractionEthyl acetate was then used for extraction
  2. dry with materialdried over sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated to dryness
  5. customphase HPLC purification

Sources & evidence

ORD record
ord-758f0a53b7204037a01b9e4681e0e962
Source dataset
uspto-grants-2008_11
Patent number
US07452993B2

Reaction notes

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