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Sodium Hydroxide → (1-(3-Phenoxyphenyl)-2-oxabicyclo[2.2.2]octan-4-yl)methyl 4-methylbenzenesulfonate

HRID 1855029
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HRID 1855029 반응식
CC1C=CC(S([O:11][CH2:12][C:13]2([CH2:33][O:34][S:35]([C:38]3[CH:43]=[CH:42][C:41]([CH3:44])=[CH:40][CH:39]=3)(=[O:37])=[O:36])[CH2:18][CH2:17][C:16](O)(C3C=CC=C(OC4C=CC=CC=4)C=3)[CH2:15][CH2:14]2)(=O)=O)=CC=1.[OH-:45].[Na+]>C1COCC1.O>[CH3:44][C:41]1[CH:42]=[CH:43][C:38]([S:35]([O:34][CH2:33][C:13]23[CH2:18][CH2:17][C:16]([C:13]4[CH:18]=[CH:17][CH:16]=[C:15]([O:45][C:38]5[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=5)[CH:14]=4)([CH2:15][CH2:14]2)[O:11][CH2:12]3)(=[O:37])=[O:36])=[CH:39][CH:40]=1
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참가 물질

5

반응물 2

HCID 14798Sodium HydroxideHCID 90409620(4-Hydroxy-4-(3-phenoxyphenyl)cyclohexane-1,1-diyl)bis(methylene) bis(4-methylbenzenesulfonate)

생성물 1

HCID 90408232(1-(3-Phenoxyphenyl)-2-oxabicyclo[2.2.2]octan-4-yl)methyl 4-methylbenzenesulfonate수율 171.6%

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran
용매

실험 절차

A mixture of (4-hydroxy-4-(3-phenoxyphenyl)cyclohexane-1,1-diyl)bis(methylene) bis(4-methylbenzenesulfonate) (390 mg, 0.612 mmol) and powdered NaOH (320 mg, 8.00 mmol) in THF (5 mL) was refluxed for 24 h. The reaction was cooled to rt, diluted with water, and extracted with EtOAc. The organic layer was dried (MgSO4) and concentrated in vacuo. The crude oil was purified by flash chromatography on SiO2 (0 to 30% EtOAc:hexanes) to afford the title compound (244 mg, 86% yield) as a white solid. LCMS, [M+H]+=465.2. 1H NMR (500 MHz, CDCl3) δ 7.81 (d, J=8.3 Hz, 2H), 7.42-7.36 (m, 2H), 7.37-7.31 (m, 2H), 7.28 (dd, J=9.6, 6.3 Hz, 1H), 7.15-7.08 (m, 3H), 7.03-6.98 (m, 2H), 6.87 (ddd, J=8.1, 2.4, 0.9 Hz, 1H), 3.83 (d, J=1.3 Hz, 2H), 3.77 (s, 2H), 2.49 (s, 3H), 2.09-1.97 (m, 4H), 1.75 (tt, J=9.6, 2.8 Hz, 2H), 1.69-1.60 (m, 2H).

후처리

  1. temperaturewas refluxed for 24 h
  2. extractionextracted with EtOAc
  3. dry with materialThe organic layer was dried (MgSO4)
  4. concentrationconcentrated in vacuo
  5. customThe crude oil was purified by flash chromatography on SiO2 (0 to 30% EtOAc:hexanes)

출처 및 근거

ORD 기록
ord-187411419f274444b0cc31203980c3d5
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08962660B2

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