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Diethyl Malonate → 2-{5-[2-(4-Acetylamino-phenylsulfanyl)-5-methyl-phenylamino]-[1,8]naphthyridin-2-yl}-malonic acid diethyl ester

HRID 2358571
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반응식

HRID 2358571 반응식
[H-].[Na+].[C:3]([O:11][CH2:12][CH3:13])(=[O:10])[CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6].Cl[C:15]1[N:24]=[C:23]2[C:18]([C:19]([NH:25][C:26]3[CH:31]=[C:30]([CH3:32])[CH:29]=[CH:28][C:27]=3[S:33][C:34]3[CH:39]=[CH:38][C:37]([NH:40][C:41](=[O:43])[CH3:42])=[CH:36][CH:35]=3)=[CH:20][CH:21]=[N:22]2)=[CH:17][CH:16]=1>C1COCC1>[CH2:12]([O:11][C:3](=[O:10])[CH:4]([C:15]1[CH:16]=[CH:17][C:18]2[C:23](=[N:22][CH:21]=[CH:20][C:19]=2[NH:25][C:26]2[CH:31]=[C:30]([CH3:32])[CH:29]=[CH:28][C:27]=2[S:33][C:34]2[CH:39]=[CH:38][C:37]([NH:40][C:41](=[O:43])[CH3:42])=[CH:36][CH:35]=2)[N:24]=1)[C:5]([O:7][CH2:8][CH3:9])=[O:6])[CH3:13]
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참가 물질

5

반응물 3

HCID 7761Diethyl MalonateHCID 24758Sodium hydrideHCID 86615485N-{4-[2-(7-Chloro-[1,8]naphthyridin-4-ylamino)-4-methyl-phenylsulfanyl]-phenyl}-acetamide

생성물 1

HCID 672508532-{5-[2-(4-Acetylamino-phenylsulfanyl)-5-methyl-phenylamino]-[1,8]naphthyridin-2-yl}-malonic acid diethyl ester수율 84%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

To a slurry of sodium hydride (95%, 0.045 g, 1.8 mmol) in 10 mL anhydrous THF at 0° C. under an atmosphere of N2 was added diethyl malonate (0.32 g, 2.0 mmol) dropwise. The mixture was stirred for 30 minutes at ambient temperature, treated with the product from Example 24a (0.141 g, 0.3 mmol), heated at 110° C. for two hours, cooled and partitioned between EtOAc and water. The ethyl acetate layer washed with saturated brine, dried over sodium sulfate, filtered and concentrated giving the title compound as a yellow glass, (0.14 g, 84% yield).

후처리

  1. temperatureheated at 110° C. for two hours
  2. temperaturecooled
  3. custompartitioned between EtOAc and water
  4. washThe ethyl acetate layer washed with saturated brine
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

출처 및 근거

ORD 기록
ord-f495f410fdb24f98acf270452d864f3c
출처 데이터셋
uspto-grants-2010_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07763731B2

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