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Sodium Bicarbonate → N-(3-{[2-(acetylamino)[1,3]thiazolo[5,4-d]pyrimidin-5-yl]amino}-4-methylphenyl)-3-(1,1-dimethylprop-2-yn-1-yl)benzamide

HRID 1800748
Notes
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Reaction equation

HRID 1800748 reaction equation
[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([CH3:22])=[C:6]([NH:8][C:9]2[N:10]=[CH:11][C:12]3[N:17]=[C:16]([NH:18][C:19](=[O:21])[CH3:20])[S:15][C:13]=3[N:14]=2)[CH:7]=1.[CH3:23][C:24]([C:28]1[CH:29]=[C:30]([CH:34]=[CH:35][CH:36]=1)[C:31](O)=[O:32])([CH3:27])[C:25]#[CH:26].F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.C(=O)([O-])O.[Na+]>N1C=CC=CC=1>[C:19]([NH:18][C:16]1[S:15][C:13]2[N:14]=[C:9]([NH:8][C:6]3[CH:7]=[C:2]([NH:1][C:31](=[O:32])[C:30]4[CH:34]=[CH:35][CH:36]=[C:28]([C:24]([CH3:23])([CH3:27])[C:25]#[CH:26])[CH:29]=4)[CH:3]=[CH:4][C:5]=3[CH3:22])[N:10]=[CH:11][C:12]=2[N:17]=1)(=[O:21])[CH3:20]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 516892Sodium BicarbonateHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 862274143-(2-Methylbut-3-yn-2-yl)benzoic acidHCID 86646095N-{5-[(5-amino-2-methylphenyl)amino][1,3]thiazolo[5,4-d]pyrimidin-2-yl}acetamide

Product 1

HCID 59506951
N-(3-{[2-(acetylamino)[1,3]thiazolo[5,4-d]pyrimidin-5-yl]amino}-4-methylphenyl)-3-(1,1-dimethylprop-2-yn-1-yl)benzamide
Yield 78.3%

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

A solution of N-{5-[(5-amino-2-methylphenyl)amino][1,3]thiazolo[5,4-d]pyrimidin-2-yl}acetamide (120 mg, 382 μmol) produced in Example D35(v), 3-(1,1-dimethylprop-2-yn-1-yl)benzoic acid (458 mg, 458 μmol) produced in Example D20(iii) and O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (174 mg, 458 μmol) in pyridine (4 mL) was stirred at room temperature for 1 hr. To the reaction mixture was added saturated aqueous sodium hydrogen carbonate solution (15 mL), and the mixture was extracted with ethyl acetate (20 mL, 5 mL). The combined organic layer was washed with saturated brine (5 mL), and dried over anhydrous sodium sulfate. The insoluble material was filtered off, and the filtrate was concentrated under reduced pressure. The obtained residue was purified by basic silica gel column chromatography (hexane/ethyl acetate=20/80→0/100), and the fractions containing the object product were concentrated under reduced pressure. The obtained residue was recrystallized from tetrahydrofuran to give the title compound (145 mg, 78%) as colorless crystals.

Workup

  1. extractionthe mixture was extracted with ethyl acetate (20 mL, 5 mL)
  2. washThe combined organic layer was washed with saturated brine (5 mL)
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationThe insoluble material was filtered off
  5. concentrationthe filtrate was concentrated under reduced pressure
  6. customThe obtained residue was purified by basic silica gel column chromatography (hexane/ethyl acetate=20/80→0/100)
  7. additionthe fractions containing the object product
  8. concentrationwere concentrated under reduced pressure
  9. customThe obtained residue was recrystallized from tetrahydrofuran

Sources & evidence

ORD record
ord-0497c7c85ab44544ba3e82bfc4e23c3c
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08344135B2

Reaction notes

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