Methanol → Ethyl 3-{4-hydroxy-6-oxo-2-[(E)-2-phenylethenyl]-1,6-dihydro-5-pyrimidinyl}propanoate

HRID 657148

反応式

HRID 657148 の反応式
[CH:1]([C:13]([O:15]C)=O)([C:9]([O:11]C)=O)[CH2:2][CH2:3][C:4]([O:6][CH2:7][CH3:8])=[O:5].[C:17]1(/[CH:23]=[CH:24]/[C:25](=[NH:27])[NH2:26])[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.C(N(CC)CC)C.C[O-].[Na+].CO>CCO>[OH:15][C:13]1[N:26]=[C:25](/[CH:24]=[CH:23]/[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[NH:27][C:9](=[O:11])[C:1]=1[CH2:2][CH2:3][C:4]([O:6][CH2:7][CH3:8])=[O:5]

参加物

7

実験手順

3-Ethyl 1,1-dimethyl 1,1,3-propanetricarboxylate (1.65 g, 7.1 mmol) and (2E)-3-phenyl-2-propenimidamide (1.04 g, 7.11 mmol) were combined in EtOH (36 mL). Triethylamine (1.98 mL, 14.2 mmol) was added and the solution was heated at reflux for 3 h with no change based on LCMS. The solution was cooled to room temperature and treated with NaOMe in MeOH (1.0 mL, 5.33 mmol, 25% wt solution) and the solution was refluxed for an additional 4 h. Another portion of NaOMe in MeOH (1.0 mL, 5.33 mmol, 25% wt solution) was added and the solution was refluxed for 16 h. After this time, a yellow precipitate had formed which was filtered off The mother liquor was acidified to pH2 with 1N HCl, and the solution was concentrated under vacuum. The resulting material was combined with the yellow solid and used without further purification.

後処理

  1. temperaturethe solution was heated
  2. temperatureat reflux for 3 h with no change
  3. temperaturethe solution was refluxed for an additional 4 h
  4. temperaturethe solution was refluxed for 16 h
  5. customAfter this time, a yellow precipitate had formed which
  6. filtrationwas filtered off The mother liquor
  7. concentrationthe solution was concentrated under vacuum
  8. customused without further purification

出典と根拠

ORDレコード
ord-50ab6e6915a447229b5097cf48a5f056
出典データセット
uspto-grants-2011_12
特許番号
US08071592B2

関連ノート

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