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Lithium hydroxide, monohydrate → 3-{[5-(azetidin-1-ylcarbonyl)pyrazin-2-yl]oxy}-5-({(1S)-2-[(difluoromethyl)oxy]-1-methylethyl}oxy)benzoic acid

HRID 1175997
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HRID 1175997 반응식
O.[OH-].[Li+].[N:4]1([C:8]([C:10]2[N:11]=[CH:12][C:13]([O:16][C:17]3[CH:18]=[C:19]([CH:24]=[C:25]([O:27][C@@H:28]([CH3:34])[CH2:29][O:30][CH:31]([F:33])[F:32])[CH:26]=3)[C:20]([O:22]C)=[O:21])=[N:14][CH:15]=2)=[O:9])[CH2:7][CH2:6][CH2:5]1>O.C1COCC1>[N:4]1([C:8]([C:10]2[N:11]=[CH:12][C:13]([O:16][C:17]3[CH:18]=[C:19]([CH:24]=[C:25]([O:27][C@@H:28]([CH3:34])[CH2:29][O:30][CH:31]([F:32])[F:33])[CH:26]=3)[C:20]([OH:22])=[O:21])=[N:14][CH:15]=2)=[O:9])[CH2:5][CH2:6][CH2:7]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 168937Lithium hydroxide, monohydrateHCID 53629696methyl 3-{[5-(azetidin-1-ylcarbonyl)pyrazin-2-yl]oxy}-5-({(1S)-2-[(difluoromethyl)oxy]-1-methylethyl}oxy)benzoate

생성물 1

HCID 591271903-{[5-(azetidin-1-ylcarbonyl)pyrazin-2-yl]oxy}-5-({(1S)-2-[(difluoromethyl)oxy]-1-methylethyl}oxy)benzoic acid수율 81.9%

시약·촉매·용매 2

HCID 962Water용매
HCID 8028
Tetrahydrofuran
용매

실험 절차

Lithium hydroxide monohydrate (48 mg, 1.13 mmol) in water (5 mL) was added to a solution of methyl 3-{[5-(azetidin-1-ylcarbonyl)pyrazin-2-yl]oxy}-5-({(1S)-2-[(difluoromethyl)oxy]-1-methylethyl}oxy)benzoate (0.33 g, 0.75 mmol) in THF (10 mL) and stirred at RT for 20 hours. The THF was removed in vacuo and the aqueous layer washed with ethyl acetate (50 mL) to remove any impurities. The aqueous layer was acidified and extracted into ethyl acetate (2×50 mL), washed with brine, dried (MgSO4), filtered and the solvent removed in vacuo to give the desired compound as a white foam (0.26 g). m/z 424 (M+H)+

후처리

  1. customThe THF was removed in vacuo
  2. washthe aqueous layer washed with ethyl acetate (50 mL)
  3. customto remove any impurities
  4. extractionextracted into ethyl acetate (2×50 mL)
  5. washwashed with brine
  6. dry with materialdried (MgSO4)
  7. filtrationfiltered
  8. customthe solvent removed in vacuo

출처 및 근거

ORD 기록
ord-ddc1f862fc804fa3b2c97408a66489d3
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07842694B2

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