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Ethanol → (5-tert-Butyl-4-{4-hydroxy-6,6-bis-[2-(4-hydroxy-phenyl)-ethyl]-2-oxo-5,6-dihydro-2H-pyran-3-ylsulfanyl}-2-methyl-phenoxy)-acetic acid ethyl ester

HRID 1003902
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HRID 1003902 반응식
[OH:1][C:2]1[CH2:7][C:6]([CH2:17][CH2:18][C:19]2[CH:24]=[CH:23][C:22]([OH:25])=[CH:21][CH:20]=2)([CH2:8][CH2:9][C:10]2[CH:15]=[CH:14][C:13]([OH:16])=[CH:12][CH:11]=2)[O:5][C:4](=[O:26])[CH:3]=1.[C:27]([C:31]1[C:32]([S:43]S(C2C=CC(C)=CC=2)(=O)=O)=[CH:33][C:34]([CH3:42])=[C:35]([CH:41]=1)[O:36][CH2:37][C:38]([OH:40])=[O:39])([CH3:30])([CH3:29])[CH3:28].C([O-])([O-])=O.[K+].[K+].CN(C=O)C.[CH3:65][CH2:66]O>>[CH2:65]([O:40][C:38](=[O:39])[CH2:37][O:36][C:35]1[CH:41]=[C:31]([C:27]([CH3:28])([CH3:29])[CH3:30])[C:32]([S:43][C:3]2[C:4](=[O:26])[O:5][C:6]([CH2:17][CH2:18][C:19]3[CH:20]=[CH:21][C:22]([OH:25])=[CH:23][CH:24]=3)([CH2:8][CH2:9][C:10]3[CH:11]=[CH:12][C:13]([OH:16])=[CH:14][CH:15]=3)[CH2:7][C:2]=2[OH:1])=[CH:33][C:34]=1[CH3:42])[CH3:66]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 5

HCID 702EthanolHCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 18798672[5-tert-Butyl-2-methyl-4-(toluene-4-sulfonylsulfanyl)-phenoxy]-acetic acidHCID 546822654-Hydroxy-6,6-bis-[2-(4-hydroxy-phenyl)-ethyl]-5,6-dihydro-pyran-2-one

생성물 1

HCID 70253780
(5-tert-Butyl-4-{4-hydroxy-6,6-bis-[2-(4-hydroxy-phenyl)-ethyl]-2-oxo-5,6-dihydro-2H-pyran-3-ylsulfanyl}-2-methyl-phenoxy)-acetic acid ethyl ester

실험 절차

The title compound was synthesized via General Method 9 using 209 mg (0.6 mmol) of 4-hydroxy-6,6-bis-[2-(4-hydroxy-phenyl)-ethyl]-5,6-dihydro-pyran-2-one (prepared in Example PP), 250 mg (0.6 mmol) of [5-tert-butyl-2-methyl-4-(toluene-4-sulfonylsulfanyl)-phenoxy]-acetic acid (prepared in Example NNNN), 327 mg (2.4 mmol) of K2CO3, and DMF (2 mL). The reaction was conducted in EtOH to effect ester exchange. The reaction was worked up as described. The residue was chromatographed on silica gel eluting with (1:1 CH2Cl2 :EtOAc+2% MeOH) to yield the product, m.p. 162-163° C. 1H NMR (DMSO-d6) δ 1.21 (t, 3 H), 1.47 (s, 9 H), 1.8 (s, 3 H), 2.0 (m, 4 H), 2.6 (m, 6 H), 2.95 (s, 2 H), 4.25 (q, 2 H), 4;75 (s, 2 H), 6.65 (m, 5 H), 6.75 (s, 1 H), 7.0 (d 4 H), 9.18 (s, 2 H).

후처리

  1. customThe residue was chromatographed on silica gel eluting with (1:1 CH2Cl2 :EtOAc+2% MeOH)
  2. customto yield the product, m.p. 162-163° C

출처 및 근거

ORD 기록
ord-dcea3567f7ed4aa781ae0c76789e4145
출처 데이터셋
uspto-grants-2000_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06046355

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