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Potassium Fluoride → 4-[6-Butyl-5-(4-cyclohexyloxy-3-oxazol-2-yl-phenyl)-pyridazin-3-yloxy]-piperidine-1-carboxylic acid tert-butyl ester

HRID 402007
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HRID 402007 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([O:14][C:15]2[N:16]=[N:17][C:18]([CH2:35][CH2:36][CH2:37][CH3:38])=[C:19]([C:21]3[CH:26]=[CH:25][C:24]([O:27][CH:28]4[CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]4)=[C:23](Br)[CH:22]=3)[CH:20]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C([Sn](CCCC)(CCCC)[C:44]1[O:45][CH:46]=[CH:47][N:48]=1)CCC.[F-].[K+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([O:14][C:15]2[N:16]=[N:17][C:18]([CH2:35][CH2:36][CH2:37][CH3:38])=[C:19]([C:21]3[CH:26]=[CH:25][C:24]([O:27][CH:28]4[CH2:33][CH2:32][CH2:31][CH2:30][CH2:29]4)=[C:23]([C:44]4[O:45][CH:46]=[CH:47][N:48]=4)[CH:22]=3)[CH:20]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

6

반응물 3

HCID 522689Potassium FluorideHCID 154861832-(Tri-n-butylstannyl)oxazoleHCID 673737524-[5-(3-Bromo-4-cyclohexyloxy-phenyl)-6-butyl-pyridazin-3-yloxy]-piperidine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 673725464-[6-Butyl-5-(4-cyclohexyloxy-3-oxazol-2-yl-phenyl)-pyridazin-3-yloxy]-piperidine-1-carboxylic acid tert-butyl ester수율 51%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 312751,4-Dioxane용매

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온도
90 °C

실험 절차

4-[5-(3-bromo-4-cyclohexyloxy-phenyl)-6-butyl-pyridazin-3-yloxy]-piperidine-1-carboxylic acid tert-butyl ester (0.34 mmol, 0.2 g), 2-(tri-n-butylstannyl)oxazole (0.68 mmol, 0.24 g), tetrakis(triphenylphosphine)palladium (0.034 mmol, 0.04 g) in dioxane (5.0 mL) were degassed with nitrogen for 10 min and heated at 90° C. over night under nitrogen. Cooled, KF solution (2.0 M, 10 mL) was added, stirred at room temperature for 30 min. extracted with ethyl acetate. The organic layer was washed with water, brine, dried (Na2SO4) filtered and concentrated under reduced pressure. The product was purified by column chromatography using 25% ethyl acetate in hexanes to get 4-[6-butyl-5-(4-cyclohexyloxy-3-oxazol-2-yl-phenyl)-pyridazin-3-yloxy]-piperidine-1-carboxylic acid tert-butyl ester (0.1 g).

후처리

  1. temperatureCooled
  2. extractionextracted with ethyl acetate
  3. washThe organic layer was washed with water, brine
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe product was purified by column chromatography

출처 및 근거

ORD 기록
ord-e3780cc07bf842ae9aac85480b29671d
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08741900B2

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