Ethyl Acetate → (R)-5-(4-{1-ethyl-1-[3'-(1-ethyl-1-trimethylsilanyloxy-propyl)-2-methyl-biphenyl-4-yl]-propyl}-2-methyl-phenoxymethyl)-dihydro-furan-2-one

HRID 546830노트

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HRID 546830 반응식
C(=O)([O-])[O-].[Na+].[Na+].Br[C:8]1[CH:9]=[C:10]([C:14]([CH2:22][CH3:23])([O:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[CH2:15][CH3:16])[CH:11]=[CH:12][CH:13]=1.[CH2:24]([C:26]([C:45]1[CH:58]=[CH:57][C:48]([O:49][CH2:50][C@@H:51]2[O:55][C:54](=[O:56])[CH2:53][CH2:52]2)=[C:47]([CH3:59])[CH:46]=1)([C:29]1[CH:34]=[CH:33][C:32](B2OC(C)(C)C(C)(C)O2)=[C:31]([CH3:44])[CH:30]=1)[CH2:27][CH3:28])[CH3:25].C(OCC)(=O)C>CN(C)C=O>[CH2:24]([C:26]([C:45]1[CH:58]=[CH:57][C:48]([O:49][CH2:50][C@@H:51]2[O:55][C:54](=[O:56])[CH2:53][CH2:52]2)=[C:47]([CH3:59])[CH:46]=1)([C:29]1[CH:34]=[CH:33][C:32]([C:8]2[CH:13]=[CH:12][CH:11]=[C:10]([C:14]([CH2:22][CH3:23])([O:17][Si:18]([CH3:21])([CH3:20])[CH3:19])[CH2:15][CH3:16])[CH:9]=2)=[C:31]([CH3:44])[CH:30]=1)[CH2:27][CH3:28])[CH3:25]

참가 물질

6

반응물 4

HCID 8857Ethyl AcetateHCID 10340Sodium CarbonateHCID 57708911(R)-5-(4-{1-ethyl-1-[3-methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-2-methyl-phenoxymethyl)-dihydro-furan-2-oneHCID 57709150[1-(3-Bromo-phenyl)-1-ethyl-propoxy]-trimethyl-silane

생성물 1

HCID 57709099(R)-5-(4-{1-ethyl-1-[3'-(1-ethyl-1-trimethylsilanyloxy-propyl)-2-methyl-biphenyl-4-yl]-propyl}-2-methyl-phenoxymethyl)-dihydro-furan-2-one수율 49.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
85 °C

실험 절차

A [1,1′-bis(diphenylphosphino)ferrocene]palladium dichloride dichloromethane complex (1.49 mg, 0.002 mmol), a 2 M sodium carbonate solution (0.1 mL, 0.2 mmol) and [1-(3-bromo-phenyl)-1-ethyl-propoxy]-trimethyl-silane (Example 17-(1); 26.25 mg, 0.091 mmol) were added to a solution of (R)-5-(4-{1-ethyl-1-[3-methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-propyl}-2-methyl-phenoxymethyl)-dihydro-furan-2-one (Example 15-(3); 30 mg, 0.061 mmol) in N,N-dimethylformamide (0.1 mL) at room temperature, and the mixture was stirred at 85° C. for 13.5 hours. Ethyl acetate was added to the reaction solution. The organic layer was washed with distilled water and brine and dried over anhydrous magnesium sulfate, and then the solvent was distilled off under reduced pressure. The residue was purified by silica gel chromatography (n-hexane/ethyl acetate=3/1, developed twice) to give the title compound (18 mg, 49.2%).

후처리

  1. washThe organic layer was washed with distilled water and brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. distillationthe solvent was distilled off under reduced pressure
  4. customThe residue was purified by silica gel chromatography (n-hexane/ethyl acetate=3/1

출처 및 근거

ORD 기록
ord-f00003db933f489a890156e8905ea60c
출처 데이터셋
uspto-grants-2011_05
특허 번호
US07935688B2

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