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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
ノート
印刷プレビュー

反応式

HRID 1661111 の反応式
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
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

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

生成物 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)benzonitrile収率 31%

試薬・触媒・溶媒 1

HCID 8857Ethyl Acetate溶媒

反応条件

温度
60 °C

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-6e53184d59e642c5824a3ed291901fa3
出典データセット
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08030306B2

反応ノート

読み込み中…

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