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Diethylamine → (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[3-(4-fluoro-5-isopropyl-2-methoxyphenyl)prop-2-yn-1-yl]-4-methyl-1,3-oxazolidin-2-one

HRID 604654
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HRID 604654 반응식
[F:1][C:2]([F:24])([F:23])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]#[CH:21])[C@H:14]2[CH3:22])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.Br[C:26]1[CH:31]=[C:30]([CH:32]([CH3:34])[CH3:33])[C:29]([F:35])=[CH:28][C:27]=1[O:36][CH3:37].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C(NCC)C>CN(C=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[F:24][C:2]([F:1])([F:23])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]#[C:21][C:26]3[CH:31]=[C:30]([CH:32]([CH3:34])[CH3:33])[C:29]([F:35])=[CH:28][C:27]=3[O:36][CH3:37])[C@H:14]2[CH3:22])[CH:6]=[C:7]([C:9]([F:10])([F:11])[F:12])[CH:8]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 8021DiethylamineHCID 11776TriphenylphosphineHCID 573894991-Bromo-4-fluoro-5-isopropyl-2-methoxybenzeneHCID 86627632(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-4-methyl-3-prop-2-yn-1-yl-1,3-oxazolidin-2-one

생성물 1

HCID 86627633(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[3-(4-fluoro-5-isopropyl-2-methoxyphenyl)prop-2-yn-1-yl]-4-methyl-1,3-oxazolidin-2-one

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매HCID 178418476HCID 178418476, 화합물촉매HCID 6228Dimethylformamide용매

실험 절차

A mixture of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-4-methyl-3-prop-2-yn-1-yl-1,3-oxazolidin-2-one (100 mg, 0.285 mmol), 1-bromo-4-fluoro-5-isopropyl-2-methoxybenzene (27.4 wt % in toluene, 233 mg, 0.259 mmol), bis(triphenylphosphine)palladium dichloride (18.2 mg, 0.0259 mmol), copper (I) iodide (4.9 mg, 0.0259 mmol), triphenylphosphine (13.6 mg, 0.0518 mmol), and diethylamine (283 mg, 406 μL, 3.88 mmol) in dry DMF (0.5 mL) was degassed and subjected to microwave irradiation (120° C., 60 min). The reaction mixture was diluted with 0.1N HCl (10 mL) and 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, 12×160 mm, 0-30% EtOAc in hexanes gradient) to afford (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[3-(4-fluoro-5-isopropyl-2-methoxyphenyl)prop-2-yn-1-yl]-4-methyl-1,3-oxazolidin-2-one. Rf=0.38 (20% EtOAc/hexanes). LCMS calc.=518.2; found=518.2 (M+1)+. 1H NMR (500 MHz, CDCl3): δ 7.89 (s, 1H); 7.78 (s, 2H); 7.26 (d, J=8.4 Hz, 1H); 6.56 (d, J=12.0 Hz, 1H); 5.76 (d, J=8.3 Hz, 1H); 4.70 (d, J=17.8 Hz, 1H); 4.53-4.47 (m, 1H); 4.08 (d, J=17.8 Hz, 1H); 3.82 (s, 3H); 3.17-3.09 (m, 1H); 1.22 (d, J=6.9 Hz, 6H); 0.90 (d, J=6.5 Hz, 3H).

후처리

  1. customwas degassed
  2. customsubjected to microwave irradiation (120° C., 60 min)
  3. additionThe reaction mixture was diluted with 0.1N HCl (10 mL)
  4. extractionextracted with EtOAc (3×20 mL)
  5. dry with materialThe combined extracts were dried (Na2SO4)
  6. concentrationconcentrated in vacuo
  7. customto give the crude product
  8. customThis was purified by flash chromatography (Si, 12×160 mm, 0-30% EtOAc in hexanes gradient)

출처 및 근거

ORD 기록
ord-8786452692c9438cb59bb6dd051f5a7d
출처 데이터셋
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07910592B2

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