Tetrafluoroborate → HCID 72312817, compound

HRID 2079142Notes

Reaction equation

HRID 2079142 reaction equation
[CH3:1][O:2][C:3](=[O:34])[N:4]=[C:5]([S:32][CH3:33])[C:6]([C:20]1[CH:25]=[C:24]([O:26][CH3:27])[C:23]([O:28][CH3:29])=[C:22]([CH2:30][OH:31])[CH:21]=1)=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1.[CH3:35]N(C)C1C2C(=CC=CC=2N(C)C)C=CC=1.F[B-](F)(F)F.C(=O)([O-])O.[Na+]>ClCCl.C(OCC)(=O)C>[CH3:1][O:2][C:3](=[O:34])[N:4]=[C:5]([S:32][CH3:33])[C:6]([C:20]1[CH:21]=[C:22]([CH2:30][O:31][CH3:35])[C:23]([O:28][CH3:29])=[C:24]([O:26][CH3:27])[CH:25]=1)=[N:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[N:18]=[C:17]([CH3:19])[O:16][N:15]=2)=[CH:10][CH:9]=1

Participants

7

Reactant 4

HCID 26255TetrafluoroborateHCID 88675Proton spongeHCID 516892Sodium BicarbonateHCID 72312794HCID 72312794, compound

Product 1

HCID 72312817HCID 72312817, compoundYield 51%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

After dissolving 322 mg of [2-(3-hydroxymethyl-4,5-dimethoxyphenyl) -2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester in 5 ml of dichloromethane, 364 mg of 1,8-bis(dimethylamino)naphthalene and 240 mg of Me3O+BF4− ere added and the mixture was stirred at room temperature for 5 hours. Saturated aqueous sodium hydrogencarbonate was added to the reaction mixture and extraction was performed with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate, the desiccating agent was filtered off and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate-heptane) to give the title compound (169 mg, isomeric mixture) as a light yellow solid.

Workup

  1. additionadded
  2. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  3. filtrationthe desiccating agent was filtered off
  4. concentrationthe filtrate was concentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (ethyl acetate-heptane)

Sources & evidence

ORD record
ord-703c135c20b74abc85d905c9a717298b
Source dataset
uspto-grants-2011_04
Patent number
US07928228B2

Reaction notes

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