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Methyl chloroformate → methyl 4-((2-hydroxyethyl)(phenyl)amino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

HRID 1930567
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HRID 1930567 반응식
[O:1]1[C:5]([C:6]2[CH:11]=[CH:10][C:9]([NH:12][C:13]3[N:14]=[C:15]([N:23]([C:27]4[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=4)[CH2:24][CH2:25][OH:26])[C:16]4[CH2:22][NH:21][CH2:20][CH2:19][C:17]=4[N:18]=3)=[CH:8][CH:7]=2)=[CH:4][N:3]=[CH:2]1.Cl[C:34]([O:36][CH3:37])=[O:35]>CN(C=O)C>[OH:26][CH2:25][CH2:24][N:23]([C:27]1[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=1)[C:15]1[C:16]2[CH2:22][N:21]([C:34]([O:36][CH3:37])=[O:35])[CH2:20][CH2:19][C:17]=2[N:18]=[C:13]([NH:12][C:9]2[CH:10]=[CH:11][C:6]([C:5]3[O:1][CH:2]=[N:3][CH:4]=3)=[CH:7][CH:8]=2)[N:14]=1
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참가 물질

4

반응물 2

HCID 6586Methyl chloroformateHCID 462000502-((2-(4-(Oxazol-5-yl)phenylamino)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)(phenyl)amino)ethanol

생성물 1

HCID 46200668methyl 4-((2-hydroxyethyl)(phenyl)amino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate수율 30.8%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

2-((2-(4-(Oxazol-5-yl)phenylamino)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-yl)(phenyl)amino)ethanol (80 mg, 0.19 mmol, Example 1) was dissolved in DMF (5 mL). Methyl chloroformate (0.014 mL, 0.19 mmol) was added and the reaction was stirred for 2 h. The solvent was evaporated, the crude dissolved in few drops of dimethylformamide and acetonitrile, filtered and purified by HPLC. The fractions containing the title compound were pulled together and freezed-dried overnight, yielding methyl 4-((2-hydroxyethyl)(phenyl)amino)-2-(4-(oxazol-5-yl)phenylamino)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate (28.0 mg, 30.8%).

후처리

  1. customThe solvent was evaporated
  2. dissolutionthe crude dissolved in few drops of dimethylformamide and acetonitrile
  3. filtrationfiltered
  4. custompurified by HPLC
  5. additionThe fractions containing the title compound
  6. customfreezed-dried overnight

출처 및 근거

ORD 기록
ord-b9af5d90583d48a89f151402b3b3416c
출처 데이터셋
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08188101B2

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