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Pyridine → 5-(6-Acetoxy-2.5,7,8-tetramethvlchroman-2-carboxamido)-6-amino-3-methyl-1-phenyl-2,4 (1H, 3H)-pyrimidinedione

HRID 399423
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인쇄 미리보기

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HRID 399423 반응식
[NH2:1][C:2]1[N:7]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[C:6](=[O:14])[N:5]([CH3:15])[C:4](=[O:16])[C:3]=1[NH:17][C:18]([C:20]1([CH3:34])[CH2:29][CH2:28][C:27]2[C:22](=[C:23]([CH3:33])[C:24]([CH3:32])=[C:25]([OH:31])[C:26]=2[CH3:30])[O:21]1)=[O:19].N1C=CC=CC=1.[C:41](OC(=O)C)(=[O:43])[CH3:42]>ClCCl>[C:41]([O:31][C:25]1[C:26]([CH3:30])=[C:27]2[C:22](=[C:23]([CH3:33])[C:24]=1[CH3:32])[O:21][C:20]([CH3:34])([C:18]([NH:17][C:3]1[C:4](=[O:16])[N:5]([CH3:15])[C:6](=[O:14])[N:7]([C:8]3[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=3)[C:2]=1[NH2:1])=[O:19])[CH2:29][CH2:28]2)(=[O:43])[CH3:42]
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참가 물질

5

반응물 3

HCID 1049PyridineHCID 7918Acetic AnhydrideHCID 9825688N-(4-amino-1-methyl-2,6-dioxo-3-phenylpyrimidin-5-yl)-6-hydroxy-2,5,7,8-tetramethyl-3,4-dihydrochromene-2-carboxamide

생성물 1

HCID 572790375-(6-Acetoxy-2.5,7,8-tetramethvlchroman-2-carboxamido)-6-amino-3-methyl-1-phenyl-2,4 (1H, 3H)-pyrimidinedione수율 87%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

The compound of Example 1 (1.77 g, 3.80 mmol) and pyridine (0.154 mL, 1.90 mmol) were dissolved in dichloromethane (30 mL). To the resultant solution was added dropwise acetic anhydride (0.714 mL, 7.60 mmol) under ice cooling. The resultant reaction mixture was stirred overnight at room temperature, washed with 1N hydrochloric acid and 10% aqueous solution of sodium chloride successively, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was suspended in ethyl acetate and filtered to give the title compound (yield 87%).

후처리

  1. customThe resultant reaction mixture
  2. washwashed with 1N hydrochloric acid and 10% aqueous solution of sodium chloride successively
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated under reduced pressure
  5. filtrationfiltered

출처 및 근거

ORD 기록
ord-c9b20a5e69464fa0a5a66a00e811cefa
출처 데이터셋
uspto-grants-1998_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05821247

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