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Hydrochloric Acid → 2-{2-[4-({3-chloro-4-[(3-fluorobenzyl)oxy]phenyl}amino)-5H-pyrrolo[3,2-d]pyrimidin-5-yl]ethoxy}ethanol

HRID 1786968
Notes
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Reaction equation

HRID 1786968 reaction equation
C([O:9][CH2:10][CH2:11][O:12][CH2:13][CH2:14][N:15]1[C:23]2[C:22]([NH:24][C:25]3[CH:30]=[CH:29][C:28]([O:31][CH2:32][C:33]4[CH:38]=[CH:37][CH:36]=[C:35]([F:39])[CH:34]=4)=[C:27]([Cl:40])[CH:26]=3)=[N:21][CH:20]=[N:19][C:18]=2[CH:17]=[CH:16]1)(=O)C1C=CC=CC=1.[OH-].[Na+].Cl>O1CCCC1>[Cl:40][C:27]1[CH:26]=[C:25]([NH:24][C:22]2[C:23]3[N:15]([CH2:14][CH2:13][O:12][CH2:11][CH2:10][OH:9])[CH:16]=[CH:17][C:18]=3[N:19]=[CH:20][N:21]=2)[CH:30]=[CH:29][C:28]=1[O:31][CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[C:35]([F:39])[CH:34]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 675207292-{2-[4-({3-chloro-4-[(3-fluorobenzyl)oxy]phenyl}amino)-5H-pyrrolo[3,2-d]pyrimidin-5-yl]ethoxy}ethyl benzoate

Product 1

HCID 116910722-{2-[4-({3-chloro-4-[(3-fluorobenzyl)oxy]phenyl}amino)-5H-pyrrolo[3,2-d]pyrimidin-5-yl]ethoxy}ethanolYield 69.6%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

To a solution of 2-{2-[4-({3-chloro-4-[(3-fluorobenzyl)oxy]phenyl}amino)-5H-pyrrolo[3,2-d]pyrimidin-5-yl]ethoxy}ethyl benzoate (760 mg) in tetrahydrofuran (7.0 mL) was added 1N aqueous sodium hydroxide solution (7.0 mL), and the mixture was stirred at room temperature for 14 hrs. 1N Hydrochloric acid (7.0 mL) was added to the reaction mixture, and the mixture was stirred at room temperature for 10 min. and extracted with a mixed solvent (100 mL×3) of ethyl acetate/tetrahydrofuran (1/1). The organic layer washed successively with 5% aqueous sodium hydrogen carbonate and saturated brine and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the obtained residue was subjected to basic silica gel column chromatography (eluent:ethyl acetate/methanol=100/0→90/10). The object fraction was concentrated under reduced pressure. A mixed solvent of ethanol/isopropyl ether (1/4) was added to the residue, and the mixture was heated to 80° C. and then allowed to cool to room temperature. The resultant precipitate was collected by filtration and dried under reduced pressure to give the title compound (431 mg) as white powder crystals.

Workup

  1. stirringthe mixture was stirred at room temperature for 10 min.
  2. extractionextracted with a mixed solvent (100 mL×3) of ethyl acetate/tetrahydrofuran (1/1)
  3. washThe organic layer washed successively with 5% aqueous sodium hydrogen carbonate and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. concentrationThe object fraction was concentrated under reduced pressure
  7. additionA mixed solvent of ethanol/isopropyl ether (1/4) was added to the residue
  8. temperaturethe mixture was heated to 80° C.
  9. temperatureto cool to room temperature
  10. filtrationThe resultant precipitate was collected by filtration
  11. customdried under reduced pressure

Sources & evidence

ORD record
ord-5dd3a233d0b0418da20a7b2725f97734
Source dataset
uspto-grants-2009_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07507740B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes