m-Chloroperbenzoic acid → HCID 11534703, compound

HRID 1994551Notes

Reaction equation

HRID 1994551 reaction equation
[F:1][C:2]([F:42])([F:41])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[CH:25]=[C:24]([C:26]([F:29])([F:28])[F:27])[CH:23]=[CH:22][C:21]=3[C:30]3[CH:35]=[C:34]([S:36][CH3:37])[CH:33]=[CH:32][C:31]=3[O:38][CH3:39])[C@H:14]2[CH3:40])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.C1C=C(Cl)C=C(C(OO)=[O:51])C=1>C(Cl)Cl.CCOC(C)=O>[F:42][C:2]([F:1])([F:41])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[CH:25]=[C:24]([C:26]([F:28])([F:29])[F:27])[CH:23]=[CH:22][C:21]=3[C:30]3[CH:35]=[C:34]([S:36]([CH3:37])=[O:51])[CH:33]=[CH:32][C:31]=3[O:38][CH3:39])[C@H:14]2[CH3:40])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1

Participants

5

Reactant 2

HCID 70297m-Chloroperbenzoic acidHCID 11520123HCID 11520123, compound

Product 1

HCID 11534703HCID 11534703, compound

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
-20 °C

Procedure

To a −60° C. solution of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-{[2′-methoxy-5′-(methylthio)-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-1,3-oxazolidin-2-one (example 124) (32.5 mg, 0.0522 mmol) in CH2Cl2 (5 mL) was added m-CPBA (14.6 mg, 77% purity, 0.0652 mmol). The reaction was warmed slowly to −20° C. and then diluted with EtOAc (35 mL), washed with aq. NaHSO3, brine, saturated NaHCO3, and brine (15 mL each). The organic layer was dried over Na2SO4, filtered, and concentrated. Purification of the residue by flash chromatography on slica gel (20 to 100% EtOAc/hexanes) afforded (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-{[2′-methoxy-5′-(methylsulfinyl)-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-1,3-oxazolidin-2-one. Rf=0.10 (75% EtOAc/hexanes). LCMS=640.1 (M+1)+. 1H NMR (CDCl3, 600 MHz) δ 7.10-7.86 (m, 9H), 4.87-5.59 (m, 2H), 3.56-4.14 (m, 5H), 2.79 (s), 2.75 (s), 2.73 (s), 0.61 (d, J=6.5 Hz), 0.57 (d, J=6.4 Hz), 0.46 (d, J=6.4 Hz), 0.43 (d, J=6.5 Hz).

Workup

  1. washwashed with aq. NaHSO3, brine, saturated NaHCO3, and brine (15 mL each)
  2. dry with materialThe organic layer was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customPurification of the residue by flash chromatography on slica gel (20 to 100% EtOAc/hexanes)

Sources & evidence

ORD record
ord-7e00098292cc48ca8293d74f759a870a
Source dataset
uspto-grants-2010_01
Patent number
US07652049B2

Reaction notes

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