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Tris(furan-2-yl)phosphane → 2,2-Difluoro-N-[(1S,2R)-1-fluoromethyl-2-hydroxy-2-(4-{6-[(methanesulfonyl-methoxy-amino)-methyl]-pyridin-3-yl}-phenyl)-ethyl]-acetamide

HRID 1520470
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HRID 1520470 반응식
Br[C:2]1[CH:3]=[CH:4][C:5]([CH2:8][N:9]([O:14][CH3:15])[S:10]([CH3:13])(=[O:12])=[O:11])=[N:6][CH:7]=1.[F:16][CH:17]([F:36])[C:18]([NH:20][C@H:21]([CH2:34][F:35])[C@H:22]([OH:33])[C:23]1[CH:28]=[CH:27][C:26]([Sn](C)(C)C)=[CH:25][CH:24]=1)=[O:19].O1C=CC=C1P(C1OC=CC=1)C1OC=CC=1>CN1CCCC1=O.O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[F:16][CH:17]([F:36])[C:18]([NH:20][C@H:21]([CH2:34][F:35])[C@H:22]([OH:33])[C:23]1[CH:24]=[CH:25][C:26]([C:2]2[CH:7]=[N:6][C:5]([CH2:8][N:9]([S:10]([CH3:13])(=[O:12])=[O:11])[O:14][CH3:15])=[CH:4][CH:3]=2)=[CH:27][CH:28]=1)=[O:19]
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참가 물질

7

반응물 3

HCID 521585Tris(furan-2-yl)phosphaneHCID 866954252,2-Difluoro-N-[(1S,2R)-1-fluoromethyl-2-hydroxy-2-(4-trimethylstannanyl-phenyl)-ethyl]-acetamideHCID 86695426N-(5-Bromo-pyridin-2-ylmethyl)-N-methoxy-methane sulfonamide

생성물 1

HCID 866954272,2-Difluoro-N-[(1S,2R)-1-fluoromethyl-2-hydroxy-2-(4-{6-[(methanesulfonyl-methoxy-amino)-methyl]-pyridin-3-yl}-phenyl)-ethyl]-acetamide수율 16%

시약·촉매·용매

3
HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 962Water용매HCID 13387N-methyl-2-pyrrolidone용매

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온도
80 °C

실험 절차

To a stirred solution of N-(5-Bromo-pyridin-2-ylmethyl)-N-methoxy-methane sulfonamide (0.2 g, 0.678 mmol) in N-Methyl-2-pyrrolidone (8 mL) is added and 2,2-Difluoro-N-[(1S,2R)-1-fluoromethyl-2-hydroxy-2-(4-trimethylstannanyl-phenyl)ethyl]-acetamide (0.27 g, 0.678 mmol). Reaction mixture is degassed with nitrogen for 15 minutes then added tris(dibenzylideneacetone)dipalladium(0) (0.06 mg, 0.068 mmol) and Tri-2-furylphosphine (0.03 g, 0.136 mmol) simultaneously. The resulting reaction mixture is stirred at 80° C. for 5 hours. Diluted with water and extracted with ethyl acetate. Organic layer is dried over sodium sulphate, solvent is evaporated in vacuo and purified by combi-flash using 50% ethyl acetate in hexane as an eluent to afford the title compound (0.05 g). 1HNMR (400 MHz, DMSO-d6) δ: 3.16 (s, 3H), 3.49 (s, 3H), 4.30-4.37 (m, 1.5H), 4.41-4.46 (m, 0.5H), 4.46 (s, 2H), 4.54-4.56 (m, 0.5H), 4.65-4.68 (m, 0.5H), 4.89 (m, 1H), 5.94 (d, J=4.2 Hz, 1H), 6.20 (t, J=53.76 Hz, 1H), 7.47 (d, J=8.2 Hz, 2H), 7.59 (d, J=8.16 Hz, 1H), 7.74 (d, J=8.2 Hz, 2H), 8.14-8.16 (dd, J1=2.32 Hz, J2=8.16 Hz, 1H), 8.86 (d, J=8.72 Hz, 1H), 8.91 (d, J=2.08 Hz, 1H). LCMS (m/z): [M+H]=461.9.

후처리

  1. customReaction mixture
  2. customis degassed with nitrogen for 15 minutes
  3. customThe resulting reaction mixture
  4. extractionextracted with ethyl acetate
  5. dry with materialOrganic layer is dried over sodium sulphate, solvent
  6. customis evaporated in vacuo
  7. custompurified by combi-flash

출처 및 근거

ORD 기록
ord-3037f8af53164cfaa9c7e3805b935552
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09073894B2

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