Cesium carbonate → 6-Chloro-4-(5-(methoxymethyl)-1-methyl-1H-pyrazol-3-ylamino)-2-methylpyridazin-3(2H)-one

HRID 1918955ノート

反応式

HRID 1918955 の反応式
BrC1C=C([NH:10][C:11]2[CH:15]=[C:14]([CH2:16][O:17][CH3:18])[N:13]([CH3:19])[N:12]=2)C(=O)N(C)C=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.Br[C:63]1[C:64](=[O:71])[N:65]([CH3:70])[N:66]=[C:67]([Cl:69])[CH:68]=1.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.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]>[Cl:69][C:67]1[CH:68]=[C:63]([NH:10][C:11]2[CH:15]=[C:14]([CH2:16][O:17][CH3:18])[N:13]([CH3:19])[N:12]=2)[C:64](=[O:71])[N:65]([CH3:70])[N:66]=1

参加物

7

反応物 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 580441025-Bromo-3-(5-(methoxymethyl)-1-methyl-1H-pyrazol-3-ylamino)-1-methylpyridin-2(1H)-oneHCID 592164744-Bromo-6-chloro-2-methyl-2,3-dihydropyridazin-3-one

生成物 1

HCID 580438316-Chloro-4-(5-(methoxymethyl)-1-methyl-1H-pyrazol-3-ylamino)-2-methylpyridazin-3(2H)-one収率 94%

試薬・触媒・溶媒 2

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

実験手順

A mixture of 5-(methoxymethyl)-1-methyl-1H-pyrazol-3-amine 176b (600 mg, 4.26 mmol), XantPhos (300 mg, 0.51 mmol), Pd2 dba3 (310 mg, 0.34 mmol), 4-bromo-6-chloro-2-methylpyridazin-3(2H)-one (103e) (1.22 g, 5.53 mmol) and Cs2CO3 (4.2 g. 12.8 mmol) in 1,4-dioxane (40 mL) was heated at reflux for 2 h. After the completion of the reaction, the mixture was filtered off and washed with methanol (100 mL). The filtrate was evaporated in vacuo and the residue was purified on reverse phase Combi-flash to give 187a (1.13 g, 94%). MS: [M+H]+ 284.

後処理

  1. temperaturewas heated
  2. temperatureat reflux for 2 h
  3. customAfter the completion of the reaction
  4. filtrationthe mixture was filtered off
  5. washwashed with methanol (100 mL)
  6. customThe filtrate was evaporated in vacuo
  7. customthe residue was purified on reverse phase Combi-flash

出典と根拠

ORDレコード
ord-d9c3a43ab6a3499ea1d3bc559952f5d4
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…