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

HRID 1869843
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HRID 1869843 반응식
C[O:2][C:3](=[O:33])[CH2:4][C:5]1[CH:10]=[CH:9][C:8]([C:11]#[C:12][C:13]2[CH:14]=[C:15]3[C:20](=[C:21]([CH2:23][N:24]([CH:26]4[CH2:28][CH2:27]4)[CH3:25])[CH:22]=2)[O:19][C:18]([CH3:30])([CH3:29])[CH2:17][C:16]3([CH3:32])[CH3:31])=[CH:7][CH:6]=1.[OH-].[Na+]>CO.O1CCCC1>[CH:26]1([N:24]([CH2:23][C:21]2[CH:22]=[C:13]([C:12]#[C:11][C:8]3[CH:9]=[CH:10][C:5]([CH2:4][C:3]([OH:33])=[O:2])=[CH:6][CH:7]=3)[CH:14]=[C:15]3[C:20]=2[O:19][C:18]([CH3:29])([CH3:30])[CH2:17][C:16]3([CH3:32])[CH3:31])[CH3:25])[CH2:28][CH2:27]1
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반응물 2

HCID 14798Sodium HydroxideHCID 69069516(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}phenyl)-acetic acid methyl ester2회

생성물 1

HCID 11373830(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}phenyl)-acetic acid수율 84%

시약·촉매·용매 2

HCID 887Methanol용매
HCID 8028
Tetrahydrofuran
용매

실험 절차

A solution of (4-{8-[(cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}phenyl)-acetic acid methyl ester (Intermediate 12, 0.057 g, 0.13 mmol) in methanol (1 mL) and tetrahydrofuran (3 mL) was treated with a 1M solution of sodium hydroxide (0.4 mL, 0.4 mmol) and the resulting reaction mixture was stirred at ambient temperature overnight. The volatiles were evaporated in vacuo to a residue that was washed with hexane, 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 afford the title product as a yellow oil (0.046 g, 84%).

후처리

  1. customthe resulting reaction mixture
  2. customThe volatiles were evaporated in vacuo to a residue that
  3. washwas washed with hexane
  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

출처 및 근거

ORD 기록
ord-8d5d6f37aa1e461986f35aede76ab0e4
출처 데이터셋
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07638648B2

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