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Ethanol → 1-[5-(1-{[tert-butyl(dimethyl)silyl]oxy}ethyl)pyridin-2-yl]-5-[5-(methylsulfanyl)pyridin-2-yl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

HRID 1881944
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HRID 1881944 반응식
[CH3:1][S:2][C:3]1[CH:4]=[CH:5][C:6]([CH:9]([CH2:14][CH:15]2[CH2:20][CH2:19][O:18][CH2:17][CH2:16]2)[C:10](=[O:13])[CH:11]=[CH2:12])=[N:7][CH:8]=1.C(O)C.O1CCCC1.[Si:29]([O:36][CH:37]([C:39]1[CH:40]=[CH:41][C:42]([CH:45]=[O:46])=[N:43][CH:44]=1)[CH3:38])([C:32]([CH3:35])([CH3:34])[CH3:33])([CH3:31])[CH3:30]>[Cl-].C([N+]1C(C)=C(CCO)SC=1)C1C=CC=CC=1.C(OCC)(=O)C.C(N(CC)CC)C>[Si:29]([O:36][CH:37]([C:39]1[CH:40]=[CH:41][C:42]([C:45](=[O:46])[CH2:12][CH2:11][C:10](=[O:13])[CH:9]([C:6]2[CH:5]=[CH:4][C:3]([S:2][CH3:1])=[CH:8][N:7]=2)[CH2:14][CH:15]2[CH2:16][CH2:17][O:18][CH2:19][CH2:20]2)=[N:43][CH:44]=1)[CH3:38])([C:32]([CH3:35])([CH3:33])[CH3:34])([CH3:31])[CH3:30]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 702EthanolHCID 8028TetrahydrofuranHCID 593313384-[5-(methylsulfanyl)pyridin-2-yl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-oneHCID 593313475-(1-{[Tert-butyl(dimethyl)silyl]oxy}ethyl)pyridine-2-carbaldehyde

생성물 1

HCID 593312791-[5-(1-{[tert-butyl(dimethyl)silyl]oxy}ethyl)pyridin-2-yl]-5-[5-(methylsulfanyl)pyridin-2-yl]-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione
수율 69.1%

시약·촉매·용매 3

HCID 28333523-Benzyl-5-(2-hydroxyethyl)-4-methylthiazolium chloride촉매HCID 8471Triethylamine용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 4-[5-(methylsulfanyl)pyridin-2-yl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one (93.1 mg) in a mixed solvent of ethanol (1.5 mL) and tetrahydrofuran (1.5 mL) were added 5-(1-{[tert-butyl(dimethyl)silyl]oxy}ethyl)pyridine-2-carbaldehyde (169 mg), 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride (8.6 mg) and triethylamine (17.8 μL), and the mixture was stirred with heating under reflux for 2 hr. After cooling to room temperature, the reaction mixture was diluted with ethyl acetate and washed with water. The ethyl acetate layer was dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and the title compound (123 mg, yield 69%) was obtained as a pale-yellow amorphous solid from a fraction eluted with ethyl acetate-hexane (1:3, volume ratio).

후처리

  1. temperaturewith heating
  2. temperatureunder reflux for 2 hr
  3. washwashed with water
  4. dry with materialThe ethyl acetate layer was dried (MgSO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-201ee585ce35466b94ed2bc229d708a8
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08318746B2

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