Sodium Hydroxide → HCID 86692463, 화합물

HRID 1748514노트

반응식

HRID 1748514 반응식
[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2([C:14]#[N:15])[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]2)=[N:6][CH:7]=1.[CH3:16][CH:17]1[C:21](=O)[CH2:20][CH2:19][O:18]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].[OH-].[Na+]>C1(C)C=CC=CC=1.O>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2([C:14]#[N:15])[CH2:9][CH2:10][N:11]([C@H:21]3[CH2:20][CH2:19][O:18][C@H:17]3[CH3:16])[CH2:12][CH2:13]2)=[N:6][CH:7]=1

참가 물질

7

반응물 4

HCID 14798Sodium HydroxideHCID 18522Dihydro-2-methyl-3(2H)-furanoneHCID 5049666Sodium triacetoxyborohydrideHCID 86692462HCID 86692462, 화합물

생성물 1

HCID 86692463HCID 86692463, 화합물수율 69.4%

시약·촉매·용매 2

HCID 962Water용매HCID 1140Toluene용매

실험 절차

To a solution of 4-(5-bromopyridin-2-yl)piperidine-4-carbonitrile (1.15 g) in toluene (14.4 ml), was added 2-methyltetrahydrofuran-3-one (526 mg), and then, sodium triacetoxyborohydride (1.37 g), and the mixture was stirred at room temperature for five hours. Water and 1N aqueous solution of sodium hydroxide were added to the reaction solution at 0° C., and extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified with NH silica gel chromatography (n-hexane/ethyl acetate) to give cis-4-(5-bromopyridin-2-yl)-1-(2-methyltetrahydrofuran-3-yl)piperidine-4-carbonitrile (1.05 g) as a yellow solid.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified with NH silica gel chromatography (n-hexane/ethyl acetate)

출처 및 근거

ORD 기록
ord-3fab7abd202c45af8fa18b53f3dd9013
출처 데이터셋
uspto-grants-2015_10
특허 번호
US09150555B2

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