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Cesium carbonate → 2-[(5-Chloro-2-{[4-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl]amino}-4-pyridinyl)amino]-N-(methyloxy)benzamide

HRID 62505
ノート
印刷プレビュー

反応式

HRID 62505 の反応式
Cl[C:2]1[CH:7]=[C:6]([NH:8][C:9]2[CH:19]=[CH:18][CH:17]=[CH:16][C:10]=2[C:11]([NH:13][O:14][CH3:15])=[O:12])[C:5]([Cl:20])=[CH:4][N:3]=1.[CH3:21][C:22]1[CH:23]=[N:24][N:25]([CH:28]([CH3:30])[CH3:29])[C:26]=1[NH2:27].C(=O)([O-])[O-].[Cs+].[Cs+].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.CN(C=O)C>[Cl:20][C:5]1[C:6]([NH:8][C:9]2[CH:19]=[CH:18][CH:17]=[CH:16][C:10]=2[C:11]([NH:13][O:14][CH3:15])=[O:12])=[CH:7][C:2]([NH:27][C:26]2[N:25]([CH:28]([CH3:30])[CH3:29])[N:24]=[CH:23][C:22]=2[CH3:21])=[N:3][CH:4]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 10796Cesium carbonateHCID 634876Binap, (A+-)-HCID 290606024-methyl-1-(propan-2-yl)-1H-pyrazol-5-amineHCID 575168962-[(2,5-dichloro-4-pyridinyl)amino]-N-(methyloxy)benzamide

生成物 1

HCID 462150982-[(5-Chloro-2-{[4-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl]amino}-4-pyridinyl)amino]-N-(methyloxy)benzamide

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒
HCID 6228Dimethylformamide溶媒

実験手順

A microwave tube was charged with 2-[(2,5-dichloro-4-pyridinyl)amino]-N-(methyloxy)benzamide (100 mg, 0.32 mmol), 4-methyl-1-(1-methylethyl)-1H-pyrazol-5-amine (93.6 mg, 0.67 mmol), cesium carbonate (312.8 mg, 0.96 mmol) and DMF (5 mL). The reaction mixture was degassed under nitrogen for 10 min and palladium (II) acetate (3.6 mg, 0.016 mmol) and BINAP (19.9 mg, 0.032 mmol) were added. The reaction mixture was heated in an oil bath for 6 hours and then in a microwave at 150° C. for 40 min. The solvent was evaporated and the residue dissolved in MeOH. It was filtered thru celite and thru an Acrodisc to be purified on preparative Agilent HPLC (5 to 95% water:acetonitrile with 0.1% formic acid). Fractions were combined and evaporated. The brown oil residue was diluted in DMF and water was added. A precipitate crashed out. It was filtered and dried under vacuum at 40° C. for 6 hrs. LC-MS [M+H]+=415.1. 1H NMR (400 MHz, DMSO-d6) ppm 11.93 (s, 1 H) 9.48 (br. s., 1 H) 8.23 (s, 1 H) 7.93 (s, 1 H) 7.58 (d, J=7.83 Hz, 1 H) 7.50 (d, J=3.79 Hz, 2 H) 7.24 (s, 1 H) 7.12 (dt, J=7.83, 4.17 Hz, 1 H) 6.40 (br. s., 1 H) 4.33 (dt, J=13.14, 6.57 Hz, 1 H) 3.71 (s, 3 H) 1.78 (s, 3 H) 1.26 (d, J=6.57 Hz, 6 H).

後処理

  1. customThe reaction mixture was degassed under nitrogen for 10 min
  2. temperatureThe reaction mixture was heated in an oil bath for 6 hours
  3. customThe solvent was evaporated
  4. dissolutionthe residue dissolved in MeOH
  5. filtrationIt was filtered thru celite
  6. customto be purified on preparative Agilent HPLC (5 to 95% water:acetonitrile with 0.1% formic acid)
  7. customevaporated
  8. additionThe brown oil residue was diluted in DMF
  9. additionwater was added
  10. filtrationIt was filtered
  11. customdried under vacuum at 40° C. for 6 hrs

出典と根拠

ORDレコード
ord-804995f965a14c9e90b9b3c1a75abfcc
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09446034B2

反応ノート

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