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Water → t-butyl 4-[7-(2-butynyl)-2-cyano-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylate

HRID 501379
Notes
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Reaction equation

HRID 501379 reaction equation
[CH2:1]([N:5]1[C:13]2[C:12](=[O:14])[N:11]([CH3:15])[C:10](Cl)=[N:9][C:8]=2[N:7]=[C:6]1[N:17]1[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:19][CH2:18]1)[C:2]#[C:3][CH3:4].[C-:30]#[N:31].[Na+].O>CN1CCCC1=O>[CH2:1]([N:5]1[C:13]2[C:12](=[O:14])[N:11]([CH3:15])[C:10]([C:30]#[N:31])=[N:9][C:8]=2[N:7]=[C:6]1[N:17]1[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:19][CH2:18]1)[C:2]#[C:3][CH3:4]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962WaterHCID 8929Sodium CyanideHCID 23070741t-butyl 4-(7-(2-butynyl)-2-chloro-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylate

Product 1

HCID 23070915t-butyl 4-[7-(2-butynyl)-2-cyano-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylateYield 179%

Reagents, catalysts & solvents 1

HCID 13387
N-methyl-2-pyrrolidone
Solvent

Conditions

Temperature
50 °C

Procedure

8 mg of t-butyl 4-[7-(2-butynyl)-2-chloro-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylate was dissolved in 0.2 ml of N-methylpyrrolidone, and 10 mg of sodium cyanide was added thereto. The mixture was stirred at 50° C. for 1 hour. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was concentrated to give 14 mg of t-butyl 4-[7-(2-butynyl)-2-cyano-1-methyl-6-oxo-6,7-dihydro-1H-purin-8-yl]piperazine-1-carboxylate. 5 mg of this compound was dissolved in trifluoroacetic acid, and the solution was concentrated. The residue was purified by reverse-phase high performance liquid chromatography (using an acetonitrile-water mobile phase (containing 0.1% trifluoroacetic acid)) to give 4.12 mg of the title compound.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. concentrationThe organic layer was concentrated

Sources & evidence

ORD record
ord-d401ccb22763483cb4d7f0ce7b2a63ea
Source dataset
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07772226B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes