Water → 3-iodo-1-((1-phenyl-1H-benzo[d]imidazol-2-yl)methyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

HRID 243315Notes

Reaction equation

HRID 243315 reaction equation
[I:1][C:2]1[C:10]2[C:5](=[N:6][CH:7]=[N:8][C:9]=2[NH2:11])[NH:4][N:3]=1.Cl[CH2:13][C:14]1[N:18]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)[C:17]2[CH:25]=[CH:26][CH:27]=[CH:28][C:16]=2[N:15]=1.C([O-])([O-])=O.[K+].[K+].O>CS(C)=O>[I:1][C:2]1[C:10]2[C:5](=[N:6][CH:7]=[N:8][C:9]=2[NH2:11])[N:4]([CH2:13][C:14]2[N:18]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)[C:17]3[CH:25]=[CH:26][CH:27]=[CH:28][C:16]=3[N:15]=2)[N:3]=1

Participants

6

Reactant 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 202518962-(Chloromethyl)-1-phenyl-1H-benzimidazoleHCID 178508725HCID 178508725, compound

Product 1

HCID 681579743-iodo-1-((1-phenyl-1H-benzo[d]imidazol-2-yl)methyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amineYield 52.1%

Reagents, catalysts & solvents 1

HCID 679Dimethyl SulfoxideSolvent

Procedure

A mixture of 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine (11.0 g, 41.1 mmol), 2-(chloromethyl)-1-phenyl-1H-benzo[d]imidazole (10.0 g, 41.4 mmol) and K2CO3 (6.0 g, 43.4 mmol) in DMSO (60 mL) was stirred at room temperature overnight. Then the mixture was added H2O (100 mL) and extracted with EtOAc (100 mL×3). The combined organic layers were concentrated in vacuo, and the residue was purified by column chromatography on silica gel (PE:EtOAc=2:1) to give 141 (10.0 g, yield 52%) as a yellow solid. LCMS (ESI), M+H+=466.04. 1HNMR (400 MHz, CDCl3) δ 5.783 (s, 2H), 5.785 (s, 2H), 7.068-7.090 (q, J=0.8 Hz, 1H), 7.088-7.307 (m, 3H), 7.362-7.422 (m, 4H), 7.800-7.822 (d, J=0.8 Hz, 1H), 8.219-8.221 (d, J=1.2 Hz, 2H)

Workup

  1. extractionextracted with EtOAc (100 mL×3)
  2. concentrationThe combined organic layers were concentrated in vacuo
  3. customthe residue was purified by column chromatography on silica gel (PE:EtOAc=2:1)

Sources & evidence

ORD record
ord-bc8d909801174b83b236d0a444d98f5f
Source dataset
uspto-grants-2014_02
Patent number
US08653089B2

Reaction notes

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