Piperidine → Ethyl 2-methyl-4-piperidinobutyrate

HRID 1282857

반응식

HRID 1282857 반응식
Br[CH2:2][CH2:3][CH:4]([CH3:10])[C:5]([O:7][CH2:8][CH3:9])=[O:6].[NH:11]1[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1>C1C=CC=CC=1>[CH2:8]([O:7][C:5](=[O:6])[CH:4]([CH3:10])[CH2:3][CH2:2][N:11]1[CH2:16][CH2:15][CH2:14][CH2:13][CH2:12]1)[CH3:9]

참가 물질

4

반응물 2

HCID 8082PiperidineHCID 12780980Ethyl 4-bromo-2-methylbutanoate

생성물 1

HCID 20361120Ethyl 2-methyl-4-piperidinobutyrate

시약·촉매·용매 1

HCID 241Benzene용매

반응 조건

온도
60 °C

실험 절차

10.5 g. (0.05 mole) of ethyl 4-bromo-2-methylbutyrate was combined with 17.0 g. (0.20 mole) of piperidine and 100 ml. of benzene and stirred for 16 hours at room temperature and then heated at 60°C. for 4 hours. The reaction mixture was cooled and the colorless solid which appeared was removed by filtration. The mother liquor was concentrated to give a mobile yellow liquid which distilled (b.p. 78°C. at 0.25 mm) as 6.7 g. (63%) of colorless liquid.

후처리

  1. temperatureThe reaction mixture was cooled
  2. customthe colorless solid which appeared was removed by filtration
  3. concentrationThe mother liquor was concentrated
  4. customto give a mobile yellow liquid which
  5. distillationdistilled (b.p. 78°C. at 0.25 mm) as 6.7 g

출처 및 근거

ORD 기록
ord-92ec6bf70ba84a5bbf22251cdeac7977
출처 데이터셋
uspto-grants-1976_08
특허 번호
US03972880

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