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Hydrochloric Acid → tert-butyl [(4-fluoro-5-(2-fluoropyridin-3-yl)-1-{[5-(hydroxymethyl)-2-furyl]sulfonyl}-1H-pyrrol-3-yl)methyl]methylcarbamate

HRID 1426736
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HRID 1426736 반응식
[C:1]([O:5][C:6]([N:8]([CH2:10][C:11]1[C:12]([F:35])=[C:13]([C:28]2[C:29]([F:34])=[N:30][CH:31]=[CH:32][CH:33]=2)[N:14]([S:16]([C:19]2[O:23][C:22]([C:24](OC)=[O:25])=[CH:21][CH:20]=2)(=[O:18])=[O:17])[CH:15]=1)[CH3:9])=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].C([Al+]CC(C)C)C(C)C.Cl>O1CCCC1.C1(C)C=CC=CC=1>[F:35][C:12]1[C:11]([CH2:10][N:8]([CH3:9])[C:6](=[O:7])[O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[CH:15][N:14]([S:16]([C:19]2[O:23][C:22]([CH2:24][OH:25])=[CH:21][CH:20]=2)(=[O:17])=[O:18])[C:13]=1[C:28]1[C:29]([F:34])=[N:30][CH:31]=[CH:32][CH:33]=1
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참가 물질

6

반응물 3

HCID 313Hydrochloric AcidHCID 21225700DiisobutylaluminumhydrideHCID 67395998Methyl 5-{[4-{[(tert-butoxycarbonyl)(methyl)amino]methyl}-3-fluoro-2-(2-fluoropyridin-3-yl)-1H-pyrrol-1-yl]sulfonyl}-2-furoate

생성물 1

HCID 67398835tert-butyl [(4-fluoro-5-(2-fluoropyridin-3-yl)-1-{[5-(hydroxymethyl)-2-furyl]sulfonyl}-1H-pyrrol-3-yl)methyl]methylcarbamate수율 72.5%

시약·촉매·용매 2

HCID 1140
Toluene
용매
HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of methyl 5-{[4-{[(tert-butoxycarbonyl)(methyl)amino]methyl}-3-fluoro-2-(2-fluoropyridin-3-yl)-1H-pyrrol-1-yl]sulfonyl}-2-furoate (825 mg) in tetrahydrofuran (8 mL) was added dropwise a 1.5 mol/L solution (5.38 mL) of diisobutylaluminum hydride in toluene under ice-cooling and the mixture was stirred for 1 hr. Hydrochloric acid was added to the reaction mixture and the mixture was further stirred for 1 hr and extracted with ethyl acetate. The separated aqueous layer was extracted again with ethyl acetate. The combined organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate=4:1→1:2) to give the title compound as a colorless oil (yield 565 mg, 53%).

후처리

  1. temperaturecooling
  2. stirringthe mixture was further stirred for 1 hr
  3. extractionextracted with ethyl acetate
  4. extractionThe separated aqueous layer was extracted again with ethyl acetate
  5. washThe combined organic layer was washed with saturated brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (eluent: hexane-ethyl acetate=4:1→1:2)

출처 및 근거

ORD 기록
ord-0ceecf8d1d1540a5bb26ba791db74031
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08933105B2

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