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Acetonitrile → 2-amino-5-[3-(2-methoxy-phenyl)-1-(2-trimethylsilanylethoxymethyl)-1H-pyrazolo[3,4-b]pyridin-5-yl]-N,N-dimethyl-benzamide

HRID 1865633
ノート
印刷プレビュー

反応式

HRID 1865633 の反応式
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[C:9]1[C:17]2[C:12](=[N:13][CH:14]=[C:15](B3OC(C)(C)C(C)(C)O3)[CH:16]=2)[N:11]([CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:33])[CH3:32])[N:10]=1.[NH2:35][C:36]1[CH:46]=[CH:45][C:44](Br)=[CH:43][C:37]=1[C:38]([N:40]([CH3:42])[CH3:41])=[O:39].C(#N)C.C(=O)(O)[O-].[Na+]>C1C=CC([PH+]([C]2[CH][CH][CH][CH]2)C2C=CC=CC=2)=CC=1.C1C=CC([PH+]([C]2[CH][CH][CH][CH]2)C2C=CC=CC=2)=CC=1.C(Cl)Cl.Cl[Pd]Cl.[Fe].O.ClCCl>[NH2:35][C:36]1[CH:46]=[CH:45][C:44]([C:15]2[CH:16]=[C:17]3[C:9]([C:4]4[CH:5]=[CH:6][CH:7]=[CH:8][C:3]=4[O:2][CH3:1])=[N:10][N:11]([CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:32])[CH3:33])[C:12]3=[N:13][CH:14]=2)=[CH:43][C:37]=1[C:38]([N:40]([CH3:42])[CH3:41])=[O:39]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 6342AcetonitrileHCID 516892Sodium BicarbonateHCID 509995122-Amino-5-bromo-N,N-dimethylbenzamideHCID 598360923-(2-methoxy-phenyl)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-(2-trimethylsilanyl-ethoxy-methyl)-1H-pyrazolo[3,4-b]pyridine

生成物 1

HCID 579757432-amino-5-[3-(2-methoxy-phenyl)-1-(2-trimethylsilanylethoxymethyl)-1H-pyrazolo[3,4-b]pyridin-5-yl]-N,N-dimethyl-benzamide
収率 33.3%

試薬・触媒・溶媒 3

HCID 53485975CID 53485975触媒HCID 962Water溶媒HCID 6344Dichloromethane溶媒

実験手順

650 mg (1.35 mmol) of 3-(2-methoxy-phenyl)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-(2-trimethylsilanyl-ethoxymethyl)-1H-pyrazolo[3,4-b]pyridine, 395 mg (1.62 mmol) 2-amino-5-bromo-N,N-dimethyl-benzamide and 55 mg (67 μmol) of dichloro[1,1′-bis(diphenylphoshino)ferrocene]palladium(II) dichloromethane adduct were placed in a vial. 8 mL of acetonitrile and 8 mL of a saturated aqueous solution of sodium bicarbonate were added. The vial was closed and the mixture irradiated in a Personal Chemistry® Optimizer to 100° C. for 15 min. The crude mixture was distributed between dichloromethane and water. The aqueous layer was extracted three times with dichloromethane. The combined organic phases were dried over sodium sulfate and evaporated. The crude was purified by flash chromatography on silica gel using a gradient of ethyl acetate containing 15% of methanol in hexanes to afford 288 mg (0.45 mmol, 33%) of 2-amino-5-[3-(2-methoxy-phenyl)-1-(2-trimethylsilanylethoxymethyl)-1H-pyrazolo[3,4-b]pyridin-5-yl]-N,N-dimethyl-benzamide as a pale beige solid. MS: m/z 518.1 (M+H+).

後処理

  1. customThe vial was closed
  2. customthe mixture irradiated in a Personal Chemistry® Optimizer to 100° C. for 15 min
  3. extractionThe aqueous layer was extracted three times with dichloromethane
  4. dry with materialThe combined organic phases were dried over sodium sulfate
  5. customevaporated
  6. customThe crude was purified by flash chromatography on silica gel using a gradient of ethyl acetate containing 15% of methanol in hexanes

出典と根拠

ORDレコード
ord-e4f2f4ee39224af9b2799e35d0c39674
出典データセット
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07626021B2

反応ノート

読み込み中…

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