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(R)-4-(6-Benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-3,4,5,6-tetrahydro-2H-[1,2']bipyrazinyl-5'-carboxylic acid methoxy-methyl-amide → 1-[(R)-4-(6-Benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-3,4,5,6-tetrahydro-2H-[1,2']bipyrazinyl-5'-yl]-ethanone

HRID 447126
ノート
印刷プレビュー

反応式

HRID 447126 の反応式
CON(C)[C:4]([C:6]1[N:7]=[CH:8][C:9]([N:12]2[CH2:17][CH2:16][N:15]([C:18]3[N:19]=[N:20][C:21]([CH2:26][C:27]4[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=4)=[C:22]([CH3:25])[C:23]=3[CH3:24])[CH2:14][C@H:13]2[CH3:33])=[N:10][CH:11]=1)=[O:5].[CH3:35][Mg]I>C1COCC1>[CH2:26]([C:21]1[N:20]=[N:19][C:18]([N:15]2[CH2:16][CH2:17][N:12]([C:9]3[CH:8]=[N:7][C:6]([C:4](=[O:5])[CH3:35])=[CH:11][N:10]=3)[C@H:13]([CH3:33])[CH2:14]2)=[C:23]([CH3:24])[C:22]=1[CH3:25])[C:27]1[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 59191539(R)-4-(6-Benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-3,4,5,6-tetrahydro-2H-[1,2']bipyrazinyl-5'-carboxylic acid methoxy-methyl-amideHCID 178418373HCID 178418373、化合物

生成物 1

HCID 451071751-[(R)-4-(6-Benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-3,4,5,6-tetrahydro-2H-[1,2']bipyrazinyl-5'-yl]-ethanone収率 86.2%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
0 °C

実験手順

(R)-4-(6-Benzyl-4,5-dimethyl-pyridazin-3-yl)-2-methyl-3,4,5,6-tetrahydro-2H-[1,2′]bipyrazinyl-5′-carboxylic acid methoxy-methyl-amide (example 142, 450 mg, 0.975 mmol) is dissolved in THF (1 mL) and cooled to 0° C. A dropwise addition of methyl magnesium iodide (325 μL, 0.975 mmol) is added dropwise. Reaction is warmed to room temperature and continues to stir for 16 h. Add H2O (1 drop) and concentrate reaction mixture in vacuo. The residue is purified by flash chromatography on silica gel (60-100% EtOAc/Heptane and 0-8% MeOH/EtOAc) to afford the title compound (350 mg, 86%).

後処理

  1. additionis added dropwise
  2. customReaction
  3. temperatureis warmed to room temperature
  4. concentrationAdd H2O (1 drop) and concentrate
  5. customreaction mixture in vacuo
  6. customThe residue is purified by flash chromatography on silica gel (60-100% EtOAc/Heptane and 0-8% MeOH/EtOAc)

出典と根拠

ORDレコード
ord-8ce2c8453c3844d4ae19d5585ea0d8a1
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08481542B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート