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Water → 9-(2,4-Dimethoxybenzyl)-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-7-(oxetan-2-ylmethyl)-7,9-dihydro-8H-purin-8-one

HRID 510062
Notes
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Reaction equation

HRID 510062 reaction equation
[CH3:1][O:2][C:3]1[CH:36]=[C:35]([O:37][CH3:38])[CH:34]=[CH:33][C:4]=1[CH2:5][N:6]1[C:14](=[O:15])[NH:13][C:12]2[C:7]1=[N:8][C:9]([C:16]1[C:24]3[C:19](=[N:20][CH:21]=[CH:22][CH:23]=3)[N:18]([CH2:25][C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[F:32])[N:17]=1)=[N:10][CH:11]=2.C(=O)([O-])[O-].[Cs+].[Cs+].Br[CH2:46][CH:47]1[CH2:50][CH2:49][O:48]1.O>CN(C=O)C>[CH3:1][O:2][C:3]1[CH:36]=[C:35]([O:37][CH3:38])[CH:34]=[CH:33][C:4]=1[CH2:5][N:6]1[C:14](=[O:15])[N:13]([CH2:46][CH:47]2[CH2:50][CH2:49][O:48]2)[C:12]2[C:7]1=[N:8][C:9]([C:16]1[C:24]3[C:19](=[N:20][CH:21]=[CH:22][CH:23]=3)[N:18]([CH2:25][C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[F:32])[N:17]=1)=[N:10][CH:11]=2
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 10796Cesium carbonateHCID 162444942-(Bromomethyl)oxetaneHCID 666350859-(2,4-Dimethoxybenzyl)-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-7,9-dihydro-8H-purin-8-one

Product 1

HCID 666140889-(2,4-Dimethoxybenzyl)-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]-7-(oxetan-2-ylmethyl)-7,9-dihydro-8H-purin-8-one

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
100 °C

Procedure

500 mg (0.980 mmol) of the compound from example 82A were dissolved in 10 ml of DMF, 414 mg (1.270 mmol) of cesium carbonate and 150 mg (1.08 mmol) of 2-(bromomethyl)oxetane were added and the mixture was stirred at RT for 18 h, at 40° C. for 18 h and at 100° C. for 4 h. After cooling, water was added and the mixture was extracted with ethyl acetate. The combined organic phases were dried over sodium sulfate and concentrated on a rotary evaporator. The residue was dried under high vacuum. 581 mg (53% of theory, purity 63%) of the title compound were obtained.

Workup

  1. temperatureAfter cooling
  2. extractionthe mixture was extracted with ethyl acetate
  3. dry with materialThe combined organic phases were dried over sodium sulfate
  4. concentrationconcentrated on a rotary evaporator
  5. customThe residue was dried under high vacuum

Sources & evidence

ORD record
ord-ac2b0e4adb894d6f8663a2b840a192c7
Source dataset
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09096592B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes