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Dimethylformamide → N-(4-{2-[6-(4-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]ethyl}benzyl)-N-methylglycine tert-butyl ester

HRID 1668403
Notes
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Reaction equation

HRID 1668403 reaction equation
Cl.Cl.[Cl:3][C:4]1[CH:9]=[CH:8][C:7]([C:10]2[S:18][C:17]3[C:16](=[O:19])[N:15]([CH2:20][CH2:21][C:22]4[CH:27]=[CH:26][C:25]([CH2:28][NH:29][CH3:30])=[CH:24][CH:23]=4)[CH:14]=[N:13][C:12]=3[CH:11]=2)=[CH:6][CH:5]=1.Br[CH2:32][C:33]([O:35][C:36]([CH3:39])([CH3:38])[CH3:37])=[O:34].C(N(CC)CC)C.CN(C)C=O>C(OCC)(=O)C>[C:36]([O:35][C:33](=[O:34])[CH2:32][N:29]([CH2:28][C:25]1[CH:26]=[CH:27][C:22]([CH2:21][CH2:20][N:15]2[C:16](=[O:19])[C:17]3[S:18][C:10]([C:7]4[CH:6]=[CH:5][C:4]([Cl:3])=[CH:9][CH:8]=4)=[CH:11][C:12]=3[N:13]=[CH:14]2)=[CH:23][CH:24]=1)[CH3:30])([CH3:39])([CH3:38])[CH3:37]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 8471TriethylamineHCID 79177tert-Butyl bromoacetateHCID 673596986-(4-chlorophenyl)-3-(2-{4-[(methylamino)methyl]phenyl}ethyl)thieno[3,2-d]pyrimidin-4(3H)-one dihydrochloride

Product 1

HCID 59239843N-(4-{2-[6-(4-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]ethyl}benzyl)-N-methylglycine tert-butyl ester
Yield 71.9%

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Procedure

A mixture of the compound (200 mg) obtained in Example 4, tert-butyl bromoacetate (89 mg), triethylamine (146 mg) and N,N-dimethylformamide (3 ml) was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by column chromatography [developing solvent:ethyl acetate-hexane (3:1, volume ratio)], and recrystallized from ethyl acetate-hexane (3:1, volume ratio) to give the title compound (156 mg) as a colorless powder.

Workup

  1. washwashed with water and saturated brine
  2. dry with materialdried over anhydrous sodium sulfate
  3. concentrationconcentrated under reduced pressure
  4. customThe residue was purified by column chromatography [developing solvent:ethyl acetate-hexane (3:1, volume ratio)]
  5. customrecrystallized from ethyl acetate-hexane (3:1, volume ratio)

Sources & evidence

ORD record
ord-00cc930835ce454b90cd8f93ec564d0c
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07989445B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes