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Sodium Hydroxide → (R)-3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid

HRID 1405540
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인쇄 미리보기

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HRID 1405540 반응식
[OH:1][CH2:2][C@H:3]1[CH2:7][CH2:6][CH2:5][N:4]1[C:8]1[C:9]([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)=[N:10][C:11]2[C:16]([N:17]=1)=[CH:15][C:14]([C:18]([O:20]C)=[O:19])=[CH:13][CH:12]=2.[OH-].[Na+]>CO.O>[OH:1][CH2:2][C@H:3]1[CH2:7][CH2:6][CH2:5][N:4]1[C:8]1[C:9]([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)=[N:10][C:11]2[C:16]([N:17]=1)=[CH:15][C:14]([C:18]([OH:20])=[O:19])=[CH:13][CH:12]=2
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참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 67980606(R)-methyl 3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylate

생성물 1

HCID 50991116(R)-3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid

시약·촉매·용매 1

HCID 22242641Methanol--water (1/1)용매

반응 조건

온도
70 °C

실험 절차

Into a 100-mL round-bottom flask, was placed a solution of (R)-methyl 3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylate (120 mg, 0.33 mmol, 1.00 equiv) and sodium hydroxide (66 mg, 1.65 mmol, 4.99 equiv) in methanol/H2O (20/5 mL). The reaction was stirred for 5 h at 70° C. and concentrated to dryness. The residue was dissolved in 20 mL H2O and washed with 10 mL EtOAc. The pH of the aqueous layer was adjusted to 7 with 1N HCl and extracted with DCM/MeOH (10/1, 20 mL×5). The organic layers were combined and dried over Na2SO4 and concentrated to dryness. This resulted in 80 mg (66%) of (R)-3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid as a yellow solid.

후처리

  1. customInto a 100-mL round-bottom flask, was placed
  2. concentrationconcentrated to dryness
  3. dissolutionThe residue was dissolved in 20 mL H2O
  4. washwashed with 10 mL EtOAc
  5. extractionextracted with DCM/MeOH (10/1, 20 mL×5)
  6. dry with materialdried over Na2SO4
  7. concentrationconcentrated to dryness
  8. customThis resulted in 80 mg (66%) of (R)-3-(2-(hydroxymethyl)pyrrolidin-1-yl)-2-phenylquinoxaline-6-carboxylic acid as a yellow solid

출처 및 근거

ORD 기록
ord-a6b1d73d93a34bf78c953a62d9395ff3
출처 데이터셋
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08916560B2

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