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Trifluoroacetic acid → [5-oxo-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]acetic acid

HRID 519918
Notes
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Reaction equation

HRID 519918 reaction equation
[O:1]=[C:2]1[C:7]([CH2:8][C:9]2[CH:14]=[CH:13][C:12]([C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=3[C:21]3[NH:25][C:24](=[O:26])[O:23][N:22]=3)=[CH:11][CH:10]=2)=[C:6]([CH2:27][CH2:28][CH3:29])[N:5]2[N:30]=[CH:31][N:32]=[C:4]2[N:3]1[CH2:33][C:34]([O:36]C(C)(C)C)=[O:35].FC(F)(F)C(O)=O>C1(C)C=CC=CC=1>[O:1]=[C:2]1[C:7]([CH2:8][C:9]2[CH:10]=[CH:11][C:12]([C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=3[C:21]3[NH:25][C:24](=[O:26])[O:23][N:22]=3)=[CH:13][CH:14]=2)=[C:6]([CH2:27][CH2:28][CH3:29])[N:5]2[N:30]=[CH:31][N:32]=[C:4]2[N:3]1[CH2:33][C:34]([OH:36])=[O:35]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 136063871tert-butyl [5-oxo-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]acetate

Product 1

HCID 136063927[5-oxo-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]acetic acidYield 36.5%

Reagents, catalysts & solvents 1

HCID 1140
Toluene
Solvent

Procedure

A mixture of tert-butyl [5-oxo-6-{[2′-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]acetate (0.58 g) and trifluoroacetic acid (10 mL) was stirred at room temperature for 2 hr. The reaction mixture was diluted with toluene (10 mL), and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.19 g, 36%).

Workup

  1. customthe solvent was evaporated under reduced pressure
  2. customThe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-96a289d7caa246788dcabf35bc73ec7c
Source dataset
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09115136B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes