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Morpholine → 2-(Ethyl(methyl)amino)-4-methyl-6-morpholino-pyridine-3-carboxylic acid ethylester

HRID 1039768
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HRID 1039768 반응식
[CH2:1]([O:3][C:4]([C:6]1[C:7]([N:14]([CH2:16][CH3:17])[CH3:15])=[N:8][C:9](Cl)=[CH:10][C:11]=1[CH3:12])=[O:5])[CH3:2].[NH:18]1[CH2:23][CH2:22][O:21][CH2:20][CH2:19]1>[OH-].[Na+].CCOC(C)=O>[CH2:1]([O:3][C:4]([C:6]1[C:7]([N:14]([CH2:16][CH3:17])[CH3:15])=[N:8][C:9]([N:18]2[CH2:23][CH2:22][O:21][CH2:20][CH2:19]2)=[CH:10][C:11]=1[CH3:12])=[O:5])[CH3:2]
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참가 물질

5

반응물 2

HCID 8083MorpholineHCID 866643246-Chloro-2-(ethyl(methyl)amino)-4-methyl-pyridine-3-carboxylic acid ethylester

생성물 1

HCID 672872702-(Ethyl(methyl)amino)-4-methyl-6-morpholino-pyridine-3-carboxylic acid ethylester수율 41%

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 14798Sodium Hydroxide용매

반응 조건

온도
135 °C

실험 절차

A mixture of 4.0 g (15.6 mmol) 6-chloro-2-(ethyl(methyl)amino)-4-methyl-pyridine-3-carboxylic acid ethylester and 13.6 ml (155.8 mmol) morpholine was heated in the MW to 135° C. for 2 h. Then the mixture was diluted with a 1M aq. NaOH sol. and EtOAc. The organic layer was separated, washed with brine, dried over MgSO4 and concentrated in vacuo. Purification of the residue by CC (hexane/EtOAc 9:1) provided 2.0 g (6.4 mmol, 41%) 2-(ethyl(methyl)amino)-4-methyl-6-morpholino-pyridine-3-carboxylic acid ethylester.

후처리

  1. customThe organic layer was separated
  2. washwashed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated in vacuo
  5. customPurification of the residue by CC (hexane/EtOAc 9:1)

출처 및 근거

ORD 기록
ord-107f41c8fed04809a6818e96a0e89f69
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08552200B2

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