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Sodium Thiosulfate Pentahydrate → 2-methyl-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl-4-(3,3,3-trifluoro-2-oxopropyl) [1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one

HRID 519983
Notes
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Reaction equation

HRID 519983 reaction equation
[CH3:1][C:2]1[N:40]=[C:5]2[N:6]([CH2:33][CH:34]([OH:39])[C:35]([F:38])([F:37])[F:36])[C:7](=[O:32])[C:8]([CH2:13][C:14]3[CH:19]=[CH:18][C:17]([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=4[C:26]4[NH:30][C:29](=[O:31])[O:28][N:27]=4)=[CH:16][CH:15]=3)=[C:9]([CH2:10][CH2:11][CH3:12])[N:4]2[N:3]=1.CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.C(=O)([O-])O.[Na+].O.O.O.O.O.S([O-])([O-])(=O)=S.[Na+].[Na+]>C(OCC)(=O)C.C(#N)C>[CH3:1][C:2]1[N:40]=[C:5]2[N:6]([CH2:33][C:34](=[O:39])[C:35]([F:38])([F:37])[F:36])[C:7](=[O:32])[C:8]([CH2:13][C:14]3[CH:19]=[CH:18][C:17]([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=4[C:26]4[NH:30][C:29](=[O:31])[O:28][N:27]=4)=[CH:16][CH:15]=3)=[C:9]([CH2:10][CH2:11][CH3:12])[N:4]2[N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 61475Sodium Thiosulfate PentahydrateHCID 159087TriacetoxyperiodinaneHCID 516892Sodium BicarbonateHCID 1360636912-methyl-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl-4-(3,3,3-trifluoro-2-hydroxypropyl) [1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one

Product 1

HCID 136063752
2-methyl-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl-4-(3,3,3-trifluoro-2-oxopropyl) [1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one
Yield 44.1%

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolventHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of 2-methyl-6-{[2′-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-7-propyl-4-(3,3,3-trifluoro-2-hydroxypropyl) [1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one (0.41 g), Dess-Martin reagent (0.47 g) and acetonitrile (10 mL) was stirred at room temperature for 3 hr. Saturated aqueous sodium hydrogen carbonate and sodium thiosulfate-pentahydrate were added to the reaction mixture, and the mixture was stirred at room temperature for 2 hr. The reaction mixture was diluted with ethyl acetate, washed with water and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography to give the title compound as a colorless amorphous solid (0.18 g, 43%).

Workup

  1. stirringthe mixture was stirred at room temperature for 2 hr
  2. washwashed with water
  3. dry with materialwith saturated brine, and dried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-97a8802d44ad41b49cf773301d811aaf
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