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Nitric Acid → (4R,5R)-3-[3,5-bis(trifluoromethyl)benzyl]-5-[2-iodo-3-nitro-5-(trifluoromethyl)phenyl]-4-methyl-1,3-oxazolidin-2-one

HRID 1028677
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HRID 1028677 반응식
[F:1][C:2]([F:33])([F:32])[C:3]1[CH:4]=[C:5]([CH:25]=[C:26]([C:28]([F:31])([F:30])[F:29])[CH:27]=1)[CH2:6][N:7]1[C@H:11]([CH3:12])[C@@H:10]([C:13]2[CH:18]=[C:17]([C:19]([F:22])([F:21])[F:20])[CH:16]=[CH:15][C:14]=2[I:23])[O:9][C:8]1=[O:24].[N+:34]([O-])([OH:36])=[O:35].O>CCOC(C)=O>[F:33][C:2]([F:1])([F:32])[C:3]1[CH:4]=[C:5]([CH:25]=[C:26]([C:28]([F:30])([F:29])[F:31])[CH:27]=1)[CH2:6][N:7]1[C@H:11]([CH3:12])[C@@H:10]([C:13]2[CH:18]=[C:17]([C:19]([F:20])([F:21])[F:22])[CH:16]=[C:15]([N+:34]([O-:36])=[O:35])[C:14]=2[I:23])[O:9][C:8]1=[O:24]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 944Nitric AcidHCID 962WaterHCID 59135170(4R,5R)-3-[3,5-Bis(trifluoromethyl)benzyl]-5-[2-iodo-5-(trifluoromethyl)phenyl)-4-methyl-1,3-oxazolidin-2-one

생성물 1

HCID 59135110(4R,5R)-3-[3,5-bis(trifluoromethyl)benzyl]-5-[2-iodo-3-nitro-5-(trifluoromethyl)phenyl]-4-methyl-1,3-oxazolidin-2-one

시약·촉매·용매 1

HCID 8857Ethyl Acetate
용매

실험 절차

(4R,5R)-3-[3,5-Bis(trifluoromethyl)benzyl]-5-[2-iodo-5-(trifluoromethyl)phenyl]-4-methyl-1,3-oxazolidin-2-one was added in portions to 2 mL of fuming nitric acid at 0° C. The reaction mixture was stirred overnight at r.t., and then heated to 75° C. for 4 h. The reaction mixture was cooled and then added dropwise to a rapidly stirred mixture of 10 mL of water and 10 mL of EtOAc. The phases were separated and the organic phase was washed with 10 mL each of saturated NaHCO3 and brine, dried (Na2SO4), and concentrated. The residue was purified by flash chromatography on a Biotage Horizon, 25S column, eluting with 1 CV of 5% EtOAc in hexanes followed by a linear gradient of 5→100% EtOAc in hexanes over 10 CV, to provide the title compound. Mass spectrum (ESI) 643 (M+1).

후처리

  1. temperatureheated to 75° C. for 4 h
  2. temperatureThe reaction mixture was cooled
  3. customThe phases were separated
  4. washthe organic phase was washed with 10 mL each of saturated NaHCO3 and brine
  5. dry with materialdried (Na2SO4)
  6. concentrationconcentrated
  7. customThe residue was purified by flash chromatography on a Biotage Horizon, 25S column
  8. washeluting with 1 CV of 5% EtOAc in hexanes

출처 및 근거

ORD 기록
ord-a2e7e791210744f99be9eef82936bdd8
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08735435B2

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