(Trifluoromethyl)trimethylsilane → Methyl [3,5-bis(trifluoromethyl)benzyl]{[2'-methoxy-5'-(2,2,2-trifluoro-1-hydroxyethyl)-4-(trifluoromethyl)biphenyl-2-yl]methyl}carbamate

HRID 217530

Reaction equation

HRID 217530 reaction equation
[F:1][C:2]([F:41])([F:40])[C:3]1[CH:4]=[C:5]([CH:33]=[C:34]([C:36]([F:39])([F:38])[F:37])[CH:35]=1)[CH2:6][N:7]([CH2:12][C:13]1[CH:18]=[C:17]([C:19]([F:22])([F:21])[F:20])[CH:16]=[CH:15][C:14]=1[C:23]1[CH:28]=[C:27]([CH:29]=[O:30])[CH:26]=[CH:25][C:24]=1[O:31][CH3:32])[C:8](=[O:11])[O:9][CH3:10].C[Si](C)(C)[C:44]([F:47])([F:46])[F:45].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>O1CCCC1>[F:1][C:2]([F:40])([F:41])[C:3]1[CH:4]=[C:5]([CH:33]=[C:34]([C:36]([F:37])([F:39])[F:38])[CH:35]=1)[CH2:6][N:7]([CH2:12][C:13]1[CH:18]=[C:17]([C:19]([F:22])([F:21])[F:20])[CH:16]=[CH:15][C:14]=1[C:23]1[CH:28]=[C:27]([CH:29]([OH:30])[C:44]([F:47])([F:46])[F:45])[CH:26]=[CH:25][C:24]=1[O:31][CH3:32])[C:8](=[O:11])[O:9][CH3:10]

Participants

5

Reactant 3

HCID 552549(Trifluoromethyl)trimethylsilaneHCID 2724141Tetrabutylammonium FluorideHCID 11699919Methyl [3,5-bis(trifluoromethyl)benzyl]{[5'-formyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}carbamate

Product 1

HCID 11542018Methyl [3,5-bis(trifluoromethyl)benzyl]{[2'-methoxy-5'-(2,2,2-trifluoro-1-hydroxyethyl)-4-(trifluoromethyl)biphenyl-2-yl]methyl}carbamate

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of methyl [3,5-bis(trifluoromethyl)benzyl]{[5′-formyl-2′-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}carbamate (Example 73, 184 mg, 0.31 mmol) in anhydrous tetrahydrofuran at 0° C., 0.5 M trimethyl(trifluoromethyl) silane (2.5 mL, 1.24 mmol) and a catalytic amount of tetrabutylammonium fluoride were added. The reaction was stirred with gradual warming to room temperature. Once the reaction was complete, it was quenched with saturated ammonium chloride solution. The organic was extracted with methylene chloride, washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated. The title compound was obtained by preparative thin layer chromatography using 1:4 acetone:hexane. 1H NMR (CDCl3, 600 MHz) δ 7.74 (s, 1H), 7.61 (m, 1H), 7.15-7.56 (m, 6H), 6.99 (m, 1H), 4.97 (m, 1H), 4.19-4.38 (m, 4H), 3.61-3.76 (m, 6H). LC-MS (M+Na) 686.9 (4.28 min).

Workup

  1. customit was quenched with saturated ammonium chloride solution
  2. extractionThe organic was extracted with methylene chloride
  3. washwashed with brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-04009aca863742cdabab32d8e544625e
Source dataset
uspto-grants-2012_06
Patent number
US08193365B2

Linked notes

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