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Methanol → 2-(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-2-methyl-propionic acid

HRID 2377329
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HRID 2377329 반응식
C[O:2][C:3](=[O:35])[C:4]([C:7]1[CH:12]=[CH:11][C:10]([C:13]#[C:14][C:15]2[CH:16]=[C:17]3[C:22](=[C:23]([CH2:25][N:26]([CH:28]4[CH2:30][CH2:29]4)[CH3:27])[CH:24]=2)[O:21][C:20]([CH3:32])([CH3:31])[CH2:19][C:18]3([CH3:34])[CH3:33])=[CH:9][CH:8]=1)([CH3:6])[CH3:5].CO.O1CCCC1.[OH-].[Na+]>>[CH:28]1([N:26]([CH2:25][C:23]2[CH:24]=[C:15]([C:14]#[C:13][C:10]3[CH:11]=[CH:12][C:7]([C:4]([CH3:6])([CH3:5])[C:3]([OH:35])=[O:2])=[CH:8][CH:9]=3)[CH:16]=[C:17]3[C:22]=2[O:21][C:20]([CH3:32])([CH3:31])[CH2:19][C:18]3([CH3:33])[CH3:34])[CH3:27])[CH2:30][CH2:29]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 4

HCID 887MethanolHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 690741872-(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-2-methyl-propionic acid methyl ester2회

생성물 1

HCID 112133162-(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-2-methyl-propionic acid
수율 27%

실험 절차

A solution of 2-(4-{8-[(cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-2-methyl-propionic acid methyl ester (Intermediate 15, 0.040 g, 0.084 mol) in methanol (2.5 mol) and tetrahydrofuran (2.5 mol) was treated with a 2M solution of sodium hydroxide (1 mol, 2 mol) and the resulting reaction mixture was refluxed overnight. The volatiles were evaporated in vacuo to a residue that was neutralized with saturated aqueous ammonium chloride solution and extracted with ethyl acetate. The organic phase was washed with water and brine, and dried over anhydrous magnesium sulfate, filtered and evaporated in vacuo to an oil. Preparative reverse phase HPLC on a partisil 10 ODS-3 column using 10% water in acetonitrile as the mobile phase afforded the title compound (0.008 g, 27%).

후처리

  1. customthe resulting reaction mixture
  2. temperaturewas refluxed overnight
  3. customThe volatiles were evaporated in vacuo to a residue that
  4. extractionextracted with ethyl acetate
  5. washThe organic phase was washed with water and brine
  6. dry with materialdried over anhydrous magnesium sulfate
  7. filtrationfiltered
  8. customevaporated in vacuo to an oil

출처 및 근거

ORD 기록
ord-d75a0ddcec664198a07f8e21ad1a79be
출처 데이터셋
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07468391B2

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