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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
ノート
印刷プレビュー

反応式

HRID 402007 の反応式
[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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
90 °C

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-e3780cc07bf842ae9aac85480b29671d
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08741900B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート