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Sodium Carbonate → 2,2-Difluoro-1-((4S,5R)-4-fluoromethyl-5-{4-[6-(1-hydroxy-ethyl)-pyridin-3-yl]-phenyl}-2,2-dimethyl-oxazolidin-3-yl)-ethanone

HRID 1520502
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HRID 1520502 반응식
[F:1][CH:2]([F:29])[C:3]([N:5]1[C@H:9]([CH2:10][F:11])[C@@H:8]([C:12]2[CH:17]=[CH:16][C:15](B3OC(C)(C)C(C)(C)O3)=[CH:14][CH:13]=2)[O:7][C:6]1([CH3:28])[CH3:27])=[O:4].Br[C:31]1[CH:32]=[CH:33][C:34]([CH:37]([OH:39])[CH3:38])=[N:35][CH:36]=1.C([O-])([O-])=O.[Na+].[Na+]>C1(C)C=CC=CC=1.C(O)C.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:29][CH:2]([F:1])[C:3]([N:5]1[C@H:9]([CH2:10][F:11])[C@@H:8]([C:12]2[CH:13]=[CH:14][C:15]([C:31]3[CH:36]=[N:35][C:34]([CH:37]([OH:39])[CH3:38])=[CH:33][CH:32]=3)=[CH:16][CH:17]=2)[O:7][C:6]1([CH3:28])[CH3:27])=[O:4]
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참가 물질

6

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HCID 10340Sodium CarbonateHCID 426142881-(5-Bromopyridin-2-yl)ethanolHCID 866954142,2-difluoro-1-((4S,5R)-4-(fluoromethyl)-2,2-dimethyl-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)oxazolidin-3-yl)ethanone

생성물 1

HCID 866954522,2-Difluoro-1-((4S,5R)-4-fluoromethyl-5-{4-[6-(1-hydroxy-ethyl)-pyridin-3-yl]-phenyl}-2,2-dimethyl-oxazolidin-3-yl)-ethanone수율 74.2%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매
HCID 86587398Ethanol toluene water용매

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온도
100 °C

실험 절차

To a stirred solution of 2,2-Difluoro-1-{(4S,5R)-4-fluoromethyl-2,2-dimethyl-5-[4-(4,4,5,5tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-oxazolidin-3-yl}-ethanone (3 g, 7.26 mmol) and 1-(5-Bromo-pyridin-2-yl)-ethanol (1.46 g, 7.26 mmol) in toluene: ethanol:water (15:15:7 mL) is added Na2CO3 (2.3 g, 21.79 mmol) at room temperature. Resulting reaction mixture is degassed with nitrogen for 30 minutes then Pd(PPh3)4 (0.839 g, 0.726 mmol) is added. The reaction mixture is heated to 100° C. for 16 hours. Solvent is evaporated in vacuo and the crude material is purified by combi-flash using 55% ethyl acetate in hexane as an eluent to afford the title compound (2.2 g). 1H NMR (400 MHz, DMSO-d6) δ: 1.39 (d, J=6.6 Hz, 3H), 1.53 (s, 3H), 1.60 (s, 3H), 4.57-4.58 (m, 0.5H), 4.69-4.70 (m, 1H), 4.75-4.77 (m, 1H), 4.78-7.80 (m, 0.5H), 4.89-4.94 (m, 1H), 5.26 (d, J=3.88 Hz, 1H), 5.41 (d, J=4.6 Hz, 1H), 6.64 (t, J1=52.32 Hz, 1H), 7.57-7.64 (m, 3H), 7.77 (d, J=8.16 Hz, 2H), 8.08 (dd, J1=8.2 Hz, J2=2.32 Hz, 1H), 8.80 (d, J=2.04 Hz, 1H). LC-Ms (m/z): 409 [M+H].

후처리

  1. customResulting
  2. customreaction mixture
  3. customis degassed with nitrogen for 30 minutes
  4. customSolvent is evaporated in vacuo
  5. customthe crude material is purified by combi-flash

출처 및 근거

ORD 기록
ord-e6e850dde0e240109092099b1a34b5bd
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09073894B2

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