Dimethylformamide → CL-285032

HRID 35610

反応式

HRID 35610 の反応式
[CH3:1][C:2]1[N:6]2[N:7]=[C:8]([C:11]3[CH:12]=[C:13]([NH:17][C:18](=[O:20])[CH3:19])[CH:14]=[CH:15][CH:16]=3)[CH:9]=[CH:10][C:5]2=[N:4][N:3]=1.[CH3:21]N(C)C=O.[H-].[Na+].CI>O>[CH3:21][N:17]([C:13]1[CH:14]=[CH:15][CH:16]=[C:11]([C:8]2[CH:9]=[CH:10][C:5]3[N:6]([C:2]([CH3:1])=[N:3][N:4]=3)[N:7]=2)[CH:12]=1)[C:18](=[O:20])[CH3:19]

参加物

6

反応物 4

HCID 6228DimethylformamideHCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 7532415N-(3-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)acetamide

生成物 1

HCID 2737312CL-285032

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

A 12.5 g portion of N-[3-(3-methyl-1,2,4-triazolo[4,3-b]pyridazin-6-yl)phenyl]acetamide was added to 500 ml of dimethylformamide under argon. A 2.47 g portion of sodium hydride (50% in oil) was added, this mixture was stirred one hour, then 3.2 ml of methyl iodide was added. This mixture was stirred for 2.5 days, then poured into 1.5 liters of water and extracted with 150 ml portions of dichloromethane. The extracts were combined, dried and concentrated in vacuo. The residue was chromatographed as described in Example 1. Fractions 8-15 were combined, concentrated and the solid recrystallized from dichloromethane-hexane, giving 8.5 g of the desired product, mp 200°-203° C.

後処理

  1. stirringThis mixture was stirred for 2.5 days
  2. extractionextracted with 150 ml portions of dichloromethane
  3. customdried
  4. concentrationconcentrated in vacuo
  5. customThe residue was chromatographed
  6. concentrationconcentrated
  7. customthe solid recrystallized from dichloromethane-hexane

出典と根拠

ORDレコード
ord-1e4610f4982f4f9faa4602500a351e4d
出典データセット
uspto-grants-1988_08
特許番号
US04767765

関連ノート

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