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Water → (2R*,4S*)-4-{[3,5-bis(trifluoromethyl)benzyl]-[5-(pyridin-4-yl)pyrimidin-2-yl]}amino-2-ethyl-6-methoxy-3,4-dihydro-2H-[1,5]naphthyridine-1-carboxylic acid ethyl ester

HRID 506362
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인쇄 미리보기

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HRID 506362 반응식
[CH2:1]([O:3][C:4]([N:6]1[C:15]2[C:10](=[N:11][C:12]([O:16][CH3:17])=[CH:13][CH:14]=2)[C@@H:9]([NH:18][C:19]2[N:24]=[C:23]([CH2:25][C:26]3[CH:31]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:29]=[C:28]([C:36]([F:39])([F:38])[F:37])[CH:27]=3)[C:22](I)=[CH:21][N:20]=2)[CH2:8][C@H:7]1[CH2:41][CH3:42])=[O:5])[CH3:2].[N:43]1[CH:48]=[CH:47][C:46](B(O)O)=[CH:45][CH:44]=1.C(=O)([O-])[O-].[K+].[K+].O>CN(C)C=O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH2:1]([O:3][C:4]([N:6]1[C:15]2[C:10](=[N:11][C:12]([O:16][CH3:17])=[CH:13][CH:14]=2)[C@@H:9]([NH:18][C:19]2[N:24]=[C:23]([CH2:25][C:26]3[CH:31]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:29]=[C:28]([C:36]([F:39])([F:38])[F:37])[CH:27]=3)[C:22]([C:46]3[CH:47]=[CH:48][N:43]=[CH:44][CH:45]=3)=[CH:21][N:20]=2)[CH2:8][C@H:7]1[CH2:41][CH3:42])=[O:5])[CH3:2]
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참가 물질

7

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 2734379(Pyridin-4-yl)boronic acidHCID 86610559(2R*,4S*)-4-{[3,5-Bis(trifluoromethyl)benzyl]-(5-iodopyrimidin-2-yl)}amino-2-ethyl-6-methoxy-3,4-dihydro-2H-[1,5]naphthyridine-1-carboxylic acid ethyl ester

생성물 1

HCID 86610594
(2R*,4S*)-4-{[3,5-bis(trifluoromethyl)benzyl]-[5-(pyridin-4-yl)pyrimidin-2-yl]}amino-2-ethyl-6-methoxy-3,4-dihydro-2H-[1,5]naphthyridine-1-carboxylic acid ethyl ester
수율 56.3%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 6228Dimethylformamide용매

반응 조건

온도
100 °C

실험 절차

(2R*,4S*)-4-{[3,5-Bis(trifluoromethyl)benzyl]-(5-iodopyrimidin-2-yl)}amino-2-ethyl-6-methoxy-3,4-dihydro-2H-[1,5]naphthyridine-1-carboxylic acid ethyl ester (250 mg) is dissolved in N,N-dimethylformamide (2 ml), then thereto are added pyridine-4-boronic acid (87 mg), tetrakis(triphenylphosphine)palladium (81 mg) and potassium carbonate (117 mg), and the mixture is stirred at 100° C. under nitrogen flow for 2 hours. After allowing to cool to room temperature, water is added to the reaction mixture, followed by extraction with ethyl acetate. The organic layer is washed with a saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The resulting residue is purified by column chromatography (NH-silica gel; hexane: ethyl acetate=4:1) to give (2R*,4S*)-4-{[3,5-bis(trifluoromethyl)benzyl]-[5-(pyridin-4-yl)pyrimidin-2-yl]}amino-2-ethyl-6-methoxy-3,4-dihydro-2H-[1,5]naphthyridine-1-carboxylic acid ethyl ester (131 mg). MS (m/z): 661 [M+H]+

후처리

  1. temperatureto cool to room temperature
  2. extractionfollowed by extraction with ethyl acetate
  3. washThe organic layer is washed with a saturated brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe resulting residue is purified by column chromatography (NH-silica gel; hexane: ethyl acetate=4:1)

출처 및 근거

ORD 기록
ord-e91cb83b34f94b0da8010dbab965d53c
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07781443B2

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