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Diethyl Ether → 2-(5-Bromo-2-methyl-3-thienyl)furo[3,2-c]imidazo[1,2-a]pyridine

HRID 376321
ノート
印刷プレビュー

反応式

HRID 376321 の反応式
[NH2:1][C:2]1[C:7]2[CH:8]=[CH:9][O:10][C:6]=2[CH:5]=[CH:4][N:3]=1.[Br:11][C:12]1[S:16][C:15]([CH3:17])=[C:14]([C:18](=O)[CH2:19]Br)[CH:13]=1.[H-].[Al+3].[Li+].[H-].[H-].[H-].CCOCC>O1CCCC1>[Br:11][C:12]1[S:16][C:15]([CH3:17])=[C:14]([C:18]2[N:1]=[C:2]3[C:7]4[CH:8]=[CH:9][O:10][C:6]=4[CH:5]=[CH:4][N:3]3[CH:19]=2)[CH:13]=1.[CH3:17][C:15]1[S:16][CH:12]=[CH:13][C:14]=1[C:18]1[N:1]=[C:2]2[C:7]3[CH:8]=[CH:9][O:10][C:6]=3[CH:5]=[CH:4][N:3]2[CH:19]=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 3283Diethyl EtherHCID 186911695-Bromo-3-bromoacetyl-2-methylthiopheneHCID 21226445Aluminium lithium hydride2 回HCID 22665882Furo[3,2-c]pyridin-4-amine

生成物 2

HCID 186911162-(5-Bromo-2-methyl-3-thienyl)furo[3,2-c]imidazo[1,2-a]pyridineHCID 186912202-(2-Methyl-3-thienyl)furo[3,2-c]imidazo[1,2-a]pyridine

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒2 回

実験手順

A solution of 6.1 g of 2-(5-bromo-2-methyl-3-thienyl)furo[3,2-c]imidazo[1,2-a]pyridine, which was prepared by the reaction of 4-aminofuro[3,2-c]pyridine and 5-bromo-3-bromoacetyl-2-methylthiophene in a similar manner to that of aforementioned Preparation 7, in 50 ml of tetrahydrofuran was added dropwise to a solution of 3.5 g of lithium aluminum hydride in 50 ml of tetrahydrofuran. When addition was complete, the mixture was refluxed for 2 hours. After being cooled, excessive lithium aluminum hydride was decomposed by the addition of hydrous ether, and the mixture was dried over anhydrous magnesium sulfate. The drying agent was removed by filtration, and the solvent was removed under reduced pressure to give 4.5 g of the title compound as a white powder.

後処理

  1. customof aforementioned Preparation 7
  2. additionWhen addition
  3. temperaturethe mixture was refluxed for 2 hours
  4. temperatureAfter being cooled
  5. dry with materialthe mixture was dried over anhydrous magnesium sulfate
  6. customThe drying agent was removed by filtration
  7. customthe solvent was removed under reduced pressure

出典と根拠

ORDレコード
ord-15018166ec814c1f8868a717f8ff9118
出典データセット
uspto-grants-2000_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06020342

反応ノート

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