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Water → N-(1-(dimethylamino)-2-methylpropan-2-yl)-2-(6-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

HRID 246689
ノート
印刷プレビュー

反応式

HRID 246689 の反応式
[CH3:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:11]3[N:12]=[C:13]4[C:19]([C:20]([OH:22])=O)=[CH:18][NH:17][C:14]4=[N:15][CH:16]=3)=[N:7][NH:8]2)=[CH:4][CH:3]=1.[CH3:23][N:24]([CH3:30])[CH2:25][C:26]([CH3:29])([NH2:28])[CH3:27].O>CN(C1C=CN=CC=1)C.CN(C=O)C>[CH3:23][N:24]([CH3:30])[CH2:25][C:26]([NH:28][C:20]([C:19]1[C:13]2[C:14](=[N:15][CH:16]=[C:11]([C:6]3[C:5]4[C:9](=[CH:10][C:2]([CH3:1])=[CH:3][CH:4]=4)[NH:8][N:7]=3)[N:12]=2)[NH:17][CH:18]=1)=[O:22])([CH3:29])[CH3:27]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 962WaterHCID 226843(2-Amino-2-methylpropyl)dimethylamineHCID 712798942-(6-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid

生成物 1

HCID 71280149N-(1-(dimethylamino)-2-methylpropan-2-yl)-2-(6-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide収率 16.5%

試薬・触媒・溶媒 2

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 6228Dimethylformamide溶媒

実験手順

To a stirred solution of 2-(6-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (100 mg, 0.34 mmol), DCI (123 mg, 0.64 mmol) and DMAP (110 mg, 0.90 mmol) in 6 mL of DMF was added N1,N1,2-trimethylpropane-1,2-diamine (100 mg, 0.86 mmol) in one portion at room temperature, then the mixture was stirred for 16 hours. The reaction mixture was poured into 40 mL of water, filtered and the filter cake was purified by column chromatography (silica gel, 200-300 mesh, eluting with a mixture of methanol and THF (1:3, v/v) to give N-(1-(dimethylamino)-2-methylpropan-2-yl)-2-(6-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (22 mg, 16.5%) as a yellow solid. MS: (M+H)+=392; 1H NMR (300 MHz, DMSO): δ 13.38 (s, 1H), 12.90 (brs, 1H), 9.15 (s, 1H), 8.47 (d, 1H, J=8.4 Hz), 8.37 (s, 1H), 7.97 (s, 1 h), 7.45 (s, 1H), 7.10 (d, 1H, J=8.4 Hz), 2.74 (s, 2H), 2.52 (s, 3H), 2.29 (s, 3H), 2.26 (s, 3H), 2.01 (s, 6H).

後処理

  1. filtrationfiltered
  2. customthe filter cake was purified by column chromatography (silica gel, 200-300 mesh
  3. washeluting with a mixture of methanol and THF (1:3

出典と根拠

ORDレコード
ord-fae14794ccee4d9880c36e3407e93020
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658646B2

反応ノート

読み込み中…

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