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Methanol → 4-[[6-(4-Hydroxy-4-methyl-1-piperidyl)-3-methyl-pyridine-2-carbonyl]amino]-3,5-dimethyl-benzoic acid

HRID 239969
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인쇄 미리보기

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HRID 239969 반응식
[OH-].[Na+].[OH:3][C:4]1([CH3:33])[CH2:9][CH2:8][N:7]([C:10]2[N:15]=[C:14]([C:16]([NH:18][C:19]3[C:29]([CH3:30])=[CH:28][C:22]([C:23]([O:25]CC)=[O:24])=[CH:21][C:20]=3[CH3:31])=[O:17])[C:13]([CH3:32])=[CH:12][CH:11]=2)[CH2:6][CH2:5]1.CO>C1COCC1>[OH:3][C:4]1([CH3:33])[CH2:5][CH2:6][N:7]([C:10]2[N:15]=[C:14]([C:16]([NH:18][C:19]3[C:20]([CH3:31])=[CH:21][C:22]([C:23]([OH:25])=[O:24])=[CH:28][C:29]=3[CH3:30])=[O:17])[C:13]([CH3:32])=[CH:12][CH:11]=2)[CH2:8][CH2:9]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 887MethanolHCID 14798Sodium HydroxideHCID 86707351Ethyl 4-[[6-(4-Hydroxy-4-Methyl-1-Piperidyl)-3-Methyl-Pyridine-2-carbonyl]amino]-3,5-dimethyl-benzoate

생성물 1

HCID 867073524-[[6-(4-Hydroxy-4-methyl-1-piperidyl)-3-methyl-pyridine-2-carbonyl]amino]-3,5-dimethyl-benzoic acid수율 43.6%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

A solution of aqueous 2N NaOH (5.00 ml) is added to a stirred solution of ethyl 4-[[6-(4-hydroxy-4-methyl-1-piperidyl)-3-methyl-pyridine-2-carbonyl]amino]-3,5-dimethyl-benzoate (0.27 g, 634.51 mmol) in THF:MeOH (10 ml:5 ml). After 1 hour at 50° C., the organic solvent is removed under reduced pressure and the residue is diluted with water, acidified to pH 6 with 5N HCl, and extracted with ethyl acetate. The organic layers are combined with aqueous layer and concentrated under reduced pressure. The solids are triturated with acetone/acetonitrile and filtered. The filtrate is dried over sodium sulfate, filtered, and concentrated under reduced pressure to afford the title compound as an off-white solid (0.11 g, 43.6%). Mass spectrum (m/z): 398.2 (M+1).

후처리

  1. customthe organic solvent is removed under reduced pressure
  2. additionthe residue is diluted with water
  3. extractionextracted with ethyl acetate
  4. concentrationconcentrated under reduced pressure
  5. customThe solids are triturated with acetone/acetonitrile
  6. filtrationfiltered
  7. dry with materialThe filtrate is dried over sodium sulfate
  8. filtrationfiltered
  9. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-430e387b0fe24c12952ede0f672269d2
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08642768B2

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