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Chloromethyl Methyl Ether → benzyl (2S*,3R*)-5-(tert-butyldiphenylsilanyloxy)-3-methoxymethoxy-2-(3,4,5-trifluorophenyl)pentanoate

HRID 546685
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HRID 546685 반응식
C(N(C(C)C)CC)(C)C.[CH3:10][O:11][CH2:12]Cl.[Si:14]([O:31][CH2:32][CH2:33][C@@H:34]([OH:55])[C@H:35]([C:46]1[CH:51]=[C:50]([F:52])[C:49]([F:53])=[C:48]([F:54])[CH:47]=1)[C:36]([O:38][CH2:39][C:40]1[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=1)=[O:37])([C:27]([CH3:30])([CH3:29])[CH3:28])([C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1)[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1>ClCCCl>[Si:14]([O:31][CH2:32][CH2:33][C@@H:34]([O:55][CH2:10][O:11][CH3:12])[C@H:35]([C:46]1[CH:51]=[C:50]([F:52])[C:49]([F:53])=[C:48]([F:54])[CH:47]=1)[C:36]([O:38][CH2:39][C:40]1[CH:41]=[CH:42][CH:43]=[CH:44][CH:45]=1)=[O:37])([C:27]([CH3:30])([CH3:29])[CH3:28])([C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1)[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1
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참가 물질

5

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HCID 7864Chloromethyl Methyl EtherHCID 81531DiisopropylethylamineHCID 66838983benzyl (2S*,3R*)-5-(tert-butyldiphenylsilanyloxy)-3-hydroxy-2-(3,4,5-trifluorophenyl)pentanoate

생성물 1

HCID 66838992benzyl (2S*,3R*)-5-(tert-butyldiphenylsilanyloxy)-3-methoxymethoxy-2-(3,4,5-trifluorophenyl)pentanoate

시약·촉매·용매 1

HCID 11
1,2-Dichloroethane
용매

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온도
60 °C

실험 절차

IPEA (0.742 mL) and chloromethyl methyl ether (0.324 mL) were added to a solution of benzyl (2S,3R)-5-(tert-butyldiphenylsilanyloxy)-3-hydroxy-2-(3,4,5-trifluorophenyl)pentanoate (840 mg) in 1,2-dichloroethane (20 mL) at 0° C. The reaction solution was stirred at 60° C. for 4 hours and then left to cool to room temperature and concentrated under reduced pressure. Ethyl acetate and a saturated ammonium chloride solution were added to the residue, and the organic layer was separated. The resulting organic layer was washed with brine, dried over anhydrous magnesium sulfate and then concentrated under reduced pressure. The residue was purified by silica gel column chromatography (elution solvent: heptane-ethyl acetate system) to obtain 875 mg of the title compound. The property values of the compound are as follows.

후처리

  1. waitleft
  2. temperatureto cool to room temperature
  3. concentrationconcentrated under reduced pressure
  4. additionEthyl acetate and a saturated ammonium chloride solution were added to the residue
  5. customthe organic layer was separated
  6. washThe resulting organic layer was washed with brine
  7. dry with materialdried over anhydrous magnesium sulfate
  8. concentrationconcentrated under reduced pressure
  9. customThe residue was purified by silica gel column chromatography (elution solvent: heptane-ethyl acetate system)

출처 및 근거

ORD 기록
ord-eac8bdf989494725bedcd3234929b53b
출처 데이터셋
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07935815B2

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