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Hydrochloric Acid → Ethyl 4-(4-cyanophenyl)-6-methyl-1-(3-methylphenyl)-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

HRID 2246392
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인쇄 미리보기

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HRID 2246392 반응식
[CH3:1][C:2]1[CH:3]=[C:4]([NH:8][C:9]([NH2:11])=[O:10])[CH:5]=[CH:6][CH:7]=1.[C:12]([C:14]1[CH:21]=[CH:20][C:17]([CH:18]=O)=[CH:16][CH:15]=1)#[N:13].O=[C:23]([CH3:30])[CH2:24][C:25]([O:27][CH2:28][CH3:29])=[O:26].Cl>C1COCC1>[C:12]([C:14]1[CH:21]=[CH:20][C:17]([CH:18]2[C:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])=[C:23]([CH3:30])[N:8]([C:4]3[CH:5]=[CH:6][CH:7]=[C:2]([CH3:1])[CH:3]=3)[C:9](=[O:10])[NH:11]2)=[CH:16][CH:15]=1)#[N:13]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 6142N-(3-Methylphenyl)ureaHCID 8868Ethyl AcetoacetateHCID 660424-Cyanobenzaldehyde

생성물 1

HCID 59218320Ethyl 4-(4-cyanophenyl)-6-methyl-1-(3-methylphenyl)-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

150 mg (1.0 mmol) N-[3-methylphenyl]urea, 101 mg (0.77 mmol) 4-cyanobenzaldehyde and 100 mg (0.77 mmol) ethyl 3-oxobutanoate are suspended in 2 ml of THF, and catalytic amounts of concentrated hydrochloric acid are added. The mixture is stirred at reflux for 18 hours. After cooling down to room temperature, the solvent is removed in vacuo and the residue is purified by column chromatography on silica with cyclohexane/ethyl acetate as eluent.

후처리

  1. temperatureat reflux for 18 hours
  2. customthe solvent is removed in vacuo
  3. customthe residue is purified by column chromatography on silica with cyclohexane/ethyl acetate as eluent

출처 및 근거

ORD 기록
ord-10404da2bd054569b1d28be4a46fa218
출처 데이터셋
uspto-grants-2010_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07687510B2

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