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Sodium hydride → (4s,5s)-3-{[4'-Fluoro-5'-isopropyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-5-(4-methyl-1,3-thiazol-2-yl)-1,3-oxazolidin-2-one

HRID 1994587
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HRID 1994587 반응식
[H-].[Na+].[CH3:3][C@H:4]1[C@@H:8]([C:9]2[S:10][CH:11]=[C:12]([CH3:14])[N:13]=2)[O:7][C:6](=[O:15])[NH:5]1.Br[CH2:17][C:18]1[CH:23]=[C:22]([C:24]([F:27])([F:26])[F:25])[CH:21]=[CH:20][C:19]=1[C:28]1[CH:33]=[C:32]([CH:34]([CH3:36])[CH3:35])[C:31]([F:37])=[CH:30][C:29]=1[O:38][CH3:39].[NH4+].[Cl-]>C1COCC1>[F:37][C:31]1[C:32]([CH:34]([CH3:36])[CH3:35])=[CH:33][C:28]([C:19]2[CH:20]=[CH:21][C:22]([C:24]([F:26])([F:27])[F:25])=[CH:23][C:18]=2[CH2:17][N:5]2[C@@H:4]([CH3:3])[C@@H:8]([C:9]3[S:10][CH:11]=[C:12]([CH3:14])[N:13]=3)[O:7][C:6]2=[O:15])=[C:29]([O:38][CH3:39])[CH:30]=1
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참가 물질

6

반응물 4

HCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 533638292'-(Bromomethyl)-4-fluoro-5-isopropyl-2-methoxy-4'-(trifluoromethyl)biphenylHCID 66716948(4S,5S)-4-methyl-5-(4-methyl-1,3-thiazol-2-yl)-1,3-oxazolidin-2-one

생성물 1

HCID 11678057(4s,5s)-3-{[4'-Fluoro-5'-isopropyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-5-(4-methyl-1,3-thiazol-2-yl)-1,3-oxazolidin-2-one

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

Sodium hydride (60% dispersion in mineral oil, 8.1 mg, 0.202 mmol) was added to a stirred solution of (4S,5S)-4-methyl-5-(4-methyl-1,3-thiazol-2-yl)-1,3-oxazolidin-2-one (33.4 mg, 0.168 mmol) in dry THF (1 mL) at room temperature under N2. The reaction was stirred for 15 min then a solution of 2′-(bromomethyl)-4-fluoro-5-isopropyl-2-methoxy-4′-(trifluoromethyl)biphenyl (81.0 mg, 0.202 mmol) in dry THF (2 mL) was added by cannula. The reaction was stirred at room temperature overnight. Saturated NH4Cl (10 mL) was added and the mixture was extracted with EtOAc (3×20 mL). The combined extracts were dried (Na2SO4) and concentrated in vacuo to give the crude product. This was purified by flash chromatography (Si, 25×160 mm, 0-70% EtOAc in hexanes gradient) and chiral HPLC (IA column, 20×250 mm, 5% i-PrOH in heptane) to afford (4S,5S)-3-{[4′-fluoro-5′-isopropyl-2′-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4-methyl-5-(4-methyl-1,3-thiazol-2-yl)-1,3-oxazolidin-2-one. Rf=0.18 (20% EtOAc in hexanes). LCMS calc.=523.2; found=523.1 (M+1)+. 1H NMR (500 MHz, CDCl3, 1:1 mixture of atropisomers) δ 7.68 (s, 0.5H), 7.63 (s, 0.5H), 7.59 (d, J=8.0 Hz, 1H), 7.32 (d, J=7.9 Hz, 1H), 6.99 (d, J=8.5 Hz, 0.5H), 6.95 (d, J=8.5 Hz, 0.5H), 6.88 (s, 1H), 6.68 (d, J=5.0 Hz, 0.5H), 6.66 (d, J=4.9 Hz, 0.5H), 5.70 (d, J=8.3 Hz, 0.5H), 5.55 (d, J=8.2 Hz, 0.5H), 4.72 (d, J=15.9 Hz, 0.5H), 4.64 (d, J=15.9 Hz, 0.5H), 4.20 (d, J=15.9 Hz, 0.5H), 3.95 (d, J=15.9 Hz, 0.5H), 3.91-3.83 (m, 1H), 3.75 (s, 1.5H), 3.74 (s, 1.5H), 3.23-3.15 (m, 1H), 2.40 (s, 3H), 1.26-1.18 (m, 6H), 0.65 (d, J=6.5 Hz, 1.5H), 0.55 (d, J=6.5 Hz, 1.5H).

후처리

  1. stirringThe reaction was stirred at room temperature overnight
  2. extractionthe mixture was extracted with EtOAc (3×20 mL)
  3. dry with materialThe combined extracts were dried (Na2SO4)
  4. concentrationconcentrated in vacuo
  5. customto give the crude product
  6. customThis was purified by flash chromatography (Si, 25×160 mm, 0-70% EtOAc in hexanes gradient) and chiral HPLC (IA column, 20×250 mm, 5% i-PrOH in heptane)

출처 및 근거

ORD 기록
ord-05b2634669dd4ba8937650c846a698c8
출처 데이터셋
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07652049B2

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