Potassium tert-butoxide → 3-((4-amino-3-(3-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-one

HRID 217112Notes

Reaction equation

HRID 217112 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([C:9]2[C:17]3[C:12](=[N:13][CH:14]=[N:15][C:16]=3[NH2:18])[NH:11][N:10]=2)[CH:6]=[CH:7][CH:8]=1.CC(C)([O-])C.[K+].Br[CH2:26][C:27]1[N:28]([C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][C:40]=2[CH3:45])[C:29](=[O:38])[C:30]2[C:35]([CH:36]=1)=[CH:34][CH:33]=[CH:32][C:31]=2[CH3:37]>CN(C=O)C>[NH2:18][C:16]1[N:15]=[CH:14][N:13]=[C:12]2[N:11]([CH2:26][C:27]3[N:28]([C:39]4[CH:44]=[CH:43][CH:42]=[CH:41][C:40]=4[CH3:45])[C:29](=[O:38])[C:30]4[C:35]([CH:36]=3)=[CH:34][CH:33]=[CH:32][C:31]=4[CH3:37])[N:10]=[C:9]([C:5]3[CH:6]=[CH:7][CH:8]=[C:3]([OH:2])[CH:4]=3)[C:17]=12.[NH2:18][C:16]1[N:15]=[CH:14][N:13]=[C:12]2[N:11]([CH2:26][C:27]3[N:28]([C:39]4[CH:44]=[CH:43][CH:42]=[CH:41][C:40]=4[CH3:45])[C:29](=[O:38])[C:30]4[C:35]([CH:36]=3)=[CH:34][CH:33]=[CH:32][C:31]=4[CH3:37])[N:10]=[C:9]([C:5]3[CH:6]=[CH:7][CH:8]=[C:3]([O:2][CH3:1])[CH:4]=3)[C:17]=12

Participants

6

Reactant 3

HCID 23665647Potassium tert-butoxideHCID 580086503-(Bromomethyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-oneHCID 1784899393-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Product 2

HCID 580086943-((4-amino-3-(3-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-oneYield 139.3%HCID 580087113-((4-amino-3-(3-hydroxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-one

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

3-(3-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (1701)(964 mg, 4 mmol) and potassium tert-butoxide (0.44 g, 4 mmol) were dissolved in anhydrous DMF (150 mL) and stirred at RT for 30 min. 3-(Bromomethyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-one (1610) (1.37 g, 4.0 mmol) was added. The resulting mixture was stirred at RT for 30 min, poured into ice water (30 mL) and then extracted with ethyl acetate (3×50 mL). The combined organic layer was washed with brine (25 mL), dried over Na2SO4 and filtered. The filtrate was concentrated in vacuo and the residue was purified by flash column chromatography on silica gel (2-20% MeOH/DCM) to afford the desired product, 3-((4-amino-3-(3-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-8-methyl-2-o-tolylisoquinolin-1(2H)-one (1702) (1.4 g, 70% yield) as a white solid.

Workup

  1. stirringThe resulting mixture was stirred at RT for 30 min
  2. extractionextracted with ethyl acetate (3×50 mL)
  3. washThe combined organic layer was washed with brine (25 mL)
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated in vacuo
  7. customthe residue was purified by flash column chromatography on silica gel (2-20% MeOH/DCM)

Sources & evidence

ORD record
ord-994c4c3743bd4fde8f23022911e3927d
Source dataset
uspto-grants-2012_06
Patent number
US08193182B2

Reaction notes

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