Water → 2-(6-fluoro-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanylethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde

HRID 245865

反応式

HRID 245865 の反応式
[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([CH:8]=[N:9][C:10]=2[Sn](CCCC)(CCCC)CCCC)[CH:7]=1.Br[C:25]1[N:26]=[C:27]2[C:33]([CH:34]=[O:35])=[CH:32][N:31]([CH2:36][O:37][CH2:38][CH2:39][Si:40]([CH3:43])([CH3:42])[CH3:41])[C:28]2=[N:29][CH:30]=1.O>CN(C=O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu]I>[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([CH:8]=[N:9][C:10]=2[C:25]2[N:26]=[C:27]3[C:33]([CH:34]=[O:35])=[CH:32][N:31]([CH2:36][O:37][CH2:38][CH2:39][Si:40]([CH3:43])([CH3:42])[CH3:41])[C:28]3=[N:29][CH:30]=2)[CH:7]=1

参加物

7

反応物 3

HCID 962WaterHCID 578296122-bromo-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehydeHCID 712799216-Fluoro-1-tributylstannyl-imidazo[1,5-a]pyridine

生成物 1

HCID 866779082-(6-fluoro-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanylethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde収率 105.4%

試薬・触媒・溶媒 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒HCID 178418397HCID 178418397、化合物触媒HCID 6228Dimethylformamide溶媒

反応条件

温度
80 °C

実験手順

In a round-bottomed flask, 6-fluoro-1-tributylstannyl-imidazo[1,5-a]pyridine (577 mg, 0.81 mmol) and 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde (210 mg, 0.59 mmol) were dissolved in DMF (5 ml). The flask was evacuated and backfilled with argon then tetrakis(triphenylphosphine)palladium (0) (33 mg, 0.029 mmol) and copper (I) iodide (22 mg, 0.12 mmol) were added. The reaction mixture was stirred at 80° C. in an oil bath for 4 h then cooled to room temperature. Water was added and the resulting suspension was filtered. The filter cake was washed with water and petroleum ether then dried under high vacuum to afford 256 mg (95%) of 2-(6-fluoro-imidazo[1,5-a]pyridin-1-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde as a yellow powder.

後処理

  1. customThe flask was evacuated
  2. temperaturethen cooled to room temperature
  3. filtrationthe resulting suspension was filtered
  4. washThe filter cake was washed with water and petroleum ether
  5. customthen dried under high vacuum

出典と根拠

ORDレコード
ord-8bb9ce7c10bf490d962e7b5c7c4af8e1
出典データセット
uspto-grants-2014_02
特許番号
US08658646B2

関連ノート

読み込み中…