5-(1-Methyl-1,2,3,6-tetrahydropyridin-4-yl)-2-nitropyridine → 5-(1-Methylpiperidin-4-yl)pyridin-2-amine

HRID 1411883노트

반응식

HRID 1411883 반응식
[CH3:1][N:2]1[CH2:7][CH:6]=[C:5]([C:8]2[CH:9]=[CH:10][C:11]([N+:14]([O-])=O)=[N:12][CH:13]=2)[CH2:4][CH2:3]1>[Pd].CO>[CH3:1][N:2]1[CH2:7][CH2:6][CH:5]([C:8]2[CH:9]=[CH:10][C:11]([NH2:14])=[N:12][CH:13]=2)[CH2:4][CH2:3]1

참가 물질

4

반응물 1

HCID 580442465-(1-Methyl-1,2,3,6-tetrahydropyridin-4-yl)-2-nitropyridine

생성물 1

HCID 580438205-(1-Methylpiperidin-4-yl)pyridin-2-amine수율 92.9%

시약·촉매·용매 2

HCID 23938Palladium촉매HCID 887Methanol용매

실험 절차

A 250-mL single-neck round-bottomed flask was purged with nitrogen and charged with 232b (2.0 g, 9.0 mmol), 10% palladium on carbon (50% wet, 200 mg), and methanol (40 mL). The flask was evacuated, charged with hydrogen gas, and stirred under hydrogen at room temperature for 12 h. The hydrogen was then evacuated and nitrogen was charged to the flask. The catalyst was removed by filtration through a pad of CELITE® and the filtrate was concentrated under reduced pressure to afford 232c (1.6 g, 92.5%), which was used directly in the next step without further purification. MS-ESI: [M+H]+ 192

후처리

  1. customA 250-mL single-neck round-bottomed flask was purged with nitrogen
  2. customThe flask was evacuated
  3. additioncharged with hydrogen gas
  4. customThe hydrogen was then evacuated
  5. additionnitrogen was charged to the flask
  6. customThe catalyst was removed by filtration through a pad of CELITE®
  7. concentrationthe filtrate was concentrated under reduced pressure

출처 및 근거

ORD 기록
ord-8ada197a7e044fca8c322bd95a1d8b9a
출처 데이터셋
uspto-grants-2014_12
특허 번호
US08921353B2

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