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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
ノート
印刷プレビュー

反応式

HRID 239969 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran
溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-430e387b0fe24c12952ede0f672269d2
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08642768B2

反応ノート

読み込み中…

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