Cesium carbonate → 5-Bromo-3-(5-(4-Ethylpiperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

HRID 1918873ノート

反応式

HRID 1918873 の反応式
[CH2:1]([N:3]1[CH2:8][CH2:7][N:6]([C:9]2[CH:10]=[CH:11][C:12]([NH2:15])=[N:13][CH:14]=2)[CH2:5][CH2:4]1)[CH3:2].Br[C:17]1[C:18](=[O:25])[N:19]([CH3:24])[CH:20]=[C:21]([Br:23])[CH:22]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C([O-])([O-])=O.[Cs+].[Cs+]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].C(Cl)Cl.O1CCOCC1>[Br:23][C:21]1[CH:22]=[C:17]([NH:15][C:12]2[CH:11]=[CH:10][C:9]([N:6]3[CH2:5][CH2:4][N:3]([CH2:1][CH3:2])[CH2:8][CH2:7]3)=[CH:14][N:13]=2)[C:18](=[O:25])[N:19]([CH3:24])[CH:20]=1

参加物

8

反応物 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 36143503,5-Dibromo-1-methylpyridin-2(1H)-oneHCID 284115995-(4-Ethylpiperazin-1-yl)pyridin-2-amine

生成物 1

HCID 580436465-Bromo-3-(5-(4-Ethylpiperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

試薬・触媒・溶媒 3

HCID 9811564Bis(dibenzylideneacetone)palladium触媒HCID 6344Dichloromethane溶媒HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

To a round-bottomed flask equipped with a stirring bar, 138b (2.52 g, 12.22 mmol), 3,5-dibromo-1-methylpyridin-2(1H)-one (4.89 g, 18.32 mmol), Pd2(dba)3 (1.12 g, 1.22 mmol), XantPhos (1.13 mg, 1.96 mmol), Cs2CO3 (13.14 g, 40.33 mmol) and dioxane (50 mL) were added. The reaction mixture was heated at 100° C. overnight. CH2Cl2 (200 mL) was added to the resulting mixture was washed with water (30 mL×3). CH2Cl2 (200 mL) was added and the resulting mixture was washed with water (30 mL×3), brine (30 mL×1), dried over MgSO4, filtered, and removed solvent in vacuo. CH2Cl2/ether (1:2, 5 mL) was added followed by sonication, the precipitation was filtered as 138c, a yellow solid, 2.718 g (57%).

後処理

  1. customTo a round-bottomed flask equipped with a stirring bar
  2. washwas washed with water (30 mL×3)
  3. additionCH2Cl2 (200 mL) was added
  4. washthe resulting mixture was washed with water (30 mL×3), brine (30 mL×1)
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. customremoved solvent in vacuo
  8. additionCH2Cl2/ether (1:2, 5 mL) was added
  9. customfollowed by sonication
  10. customthe precipitation
  11. filtrationwas filtered as 138c

出典と根拠

ORDレコード
ord-a91ff44924d944828948e72bed728689
出典データセット
uspto-grants-2013_12
特許番号
US08618107B2

反応ノート

読み込み中…