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Acetonitrile → (R)-4-(8-(4-chlorophenyl)-3-(1-hydroxyethyl)-5-((2-methyl-6-(trifluoromethyl)pyridin-3-yl)methyl)-6-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)benzonitrile

HRID 1661111
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HRID 1661111 반응식
C([O:8][C@H:9]([C:11]1[N:15]2[N:16]([CH2:36][C:37]3[C:38]([CH3:47])=[N:39][C:40]([C:43]([F:46])([F:45])[F:44])=[CH:41][CH:42]=3)[C:17](=[O:35])[C:18]([C:27]3[CH:34]=[CH:33][C:30]([C:31]#[N:32])=[CH:29][CH:28]=3)=[C:19]([C:20]3[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][CH:21]=3)[C:14]2=[N:13][N:12]=1)[CH3:10])C1C=CC=CC=1.CC#N.[Si](I)(C)(C)C>CCOC(C)=O>[Cl:26][C:23]1[CH:22]=[CH:21][C:20]([C:19]2[C:14]3[N:15]([C:11]([C@H:9]([OH:8])[CH3:10])=[N:12][N:13]=3)[N:16]([CH2:36][C:37]3[C:38]([CH3:47])=[N:39][C:40]([C:43]([F:44])([F:45])[F:46])=[CH:41][CH:42]=3)[C:17](=[O:35])[C:18]=2[C:27]2[CH:28]=[CH:29][C:30]([C:31]#[N:32])=[CH:33][CH:34]=2)=[CH:25][CH:24]=1
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참가 물질

5

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HCID 6342AcetonitrileHCID 85247Trimethylsilyl iodideHCID 67128877(S)-4-(3-(1-(benzyloxy)ethyl)-8-(4-chlorophenyl)-5-((2-methyl-6-(trifluoromethyl)pyridin-3-yl)methyl)-6-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)benzonitrile

생성물 1

HCID 59177924(R)-4-(8-(4-chlorophenyl)-3-(1-hydroxyethyl)-5-((2-methyl-6-(trifluoromethyl)pyridin-3-yl)methyl)-6-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)benzonitrile수율 31%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

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온도
60 °C

실험 절차

To a round bottom flask was added (S)-4-(3-(1-(benzyloxy)ethyl)-8-(4-chlorophenyl)-5-((2-methyl-6-(trifluoromethyl)pyridin-3-yl)methyl)-6-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)benzonitrile (30 mg, 0.0458 mmol), CH3CN (2 ml) and TMSI (244 mg, 1.22 mmol). The reaction was stirred at 60° C. under argon for 4 days. After this time, the reaction mixture was with EtOAc (50 ml). The resulting organic solution was wash with water (20 ml), 10% NaHSO3(20 ml) and saturated NaCl (20 ml). The organic layer was dried over MgSO4, filtered and concentrated. The crude product was purified by silica gel column chromatography (8 g silica gel) eluting with a gradient of 0-80% EtOAc/Hex to give product (R)-4-(8-(4-chlorophenyl)-3-(1-hydroxyethyl)-5-((2-methyl-6-(trifluoromethyl)pyridin-3-yl)methyl)-6-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazin-7-yl)benzonitrile as a white solid (8 mg, 31% yield).

후처리

  1. washThe resulting organic solution was wash with water (20 ml), 10% NaHSO3(20 ml) and saturated NaCl (20 ml)
  2. dry with materialThe organic layer was dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe crude product was purified by silica gel column chromatography (8 g silica gel)
  6. washeluting with a gradient of 0-80% EtOAc/Hex

출처 및 근거

ORD 기록
ord-6e53184d59e642c5824a3ed291901fa3
출처 데이터셋
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08030306B2

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