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HCID 18680797、化合物 → HCID 18680884、化合物

HRID 1699631
ノート
印刷プレビュー

反応式

HRID 1699631 の反応式
[CH3:1][C:2]1[N:6]([CH2:7][C:8]2[CH:13]=[CH:12][C:11]([N+:14]([O-])=O)=[CH:10][CH:9]=2)[C:5]2[CH:17]=[C:18]([C:21](=[O:30])[NH:22][CH2:23][C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=3)[CH:19]=[CH:20][C:4]=2[N:3]=1.[CH3:31][C:32]1[N:36]([CH2:37][C:38]2[CH:43]=[CH:42][C:41]([N+:44]([O-])=O)=[CH:40][CH:39]=2)[C:35]2[CH:47]=[CH:48][C:49]([C:51](=[O:60])[NH:52][CH2:53][C:54]3[CH:59]=[CH:58][CH:57]=[CH:56][N:55]=3)=[CH:50][C:34]=2[N:33]=1>[Pd].CO>[NH2:14][C:11]1[CH:10]=[CH:9][C:8]([CH2:7][N:6]2[C:5]3[CH:17]=[C:18]([C:21](=[O:30])[NH:22][CH2:23][C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][N:25]=4)[CH:19]=[CH:20][C:4]=3[N:3]=[C:2]2[CH3:1])=[CH:13][CH:12]=1.[NH2:44][C:41]1[CH:40]=[CH:39][C:38]([CH2:37][N:36]2[C:35]3[CH:47]=[CH:48][C:49]([C:51](=[O:60])[NH:52][CH2:53][C:54]4[CH:59]=[CH:58][CH:57]=[CH:56][N:55]=4)=[CH:50][C:34]=3[N:33]=[C:32]2[CH3:31])=[CH:43][CH:42]=1
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 2

HCID 18680797HCID 18680797、化合物HCID 18680816HCID 18680816、化合物

生成物 2

HCID 18680884HCID 18680884、化合物HCID 18681104HCID 18681104、化合物

試薬・触媒・溶媒 2

HCID 23938Palladium触媒HCID 887Methanol溶媒

実験手順

Methanol (30 ml) and 5% palladium/carbon (0.20 g) are added to a mixture (2.32 g) of 2-methyl-1-(4-nitrobenzyl)-6-[(2-pyridylmethyl)carbamoyl]benzimidazole and 2-methyl-1-(4-nitrobenzyl)-5-[(2-pyridylmethyl)carbamoyl]benzimidazole, and the solution is stirred at room temperature under a nitrogen environment until the raw materials dissolved. Solid materials are separated through filtration. The filtrate is concentrated and a residue is obtained. The residue is purified through medium pressure silica gel column chromatography (eluate: ethyl acetate/methanol=85/15), and 1-(4-aminobenzyl)-2-methyl-6-[(2-pyridylmethyl)carbamoyl]benzimidazole and 1-(4-aminobenzyl)-2-methyl-5-[(2-pyridylmethyl)carbamoyl]benzimidazole are separated. These materials are crystallized in mixed solvents of chloroform and diethylether. The crystals are separated through filtration, dried and thus, 1-(4-aminobenzyl)-2-methyl-6-[(2-pyridylmethyl)carbamoyl]benzimidazole (0.354 g) (197) and 1-(4-aminobenzyl)-2-methyl-5-[(2-pyridylmethyl)carbamoyl]benzimidazole (0.330 g) (198) are obtained. 1H-NMR (CDCl3, δ): 3.00 (3H, s), 4.98 (2H, s), 5.88 (2H, s), 7.55 (2H, d, J=8.6 Hz), 7.69 (2H, d, J=8.6 Hz), 7.90 (1H, d, J=8.6 Hz), 7.96 (1H, dt, J=7.1 and 0.6 Hz), 8.12 (1H, J=8.0 Hz), 8.18 (1H, dd, J=8.5 and 1.4 Hz), 8.55 (1H, dt, J=8.0 and 1.7 Hz), 8.62 (1H, d,J=1.1 Hz), 8.77(1H, dd, J=5.9 and 1.1 Hz).

後処理

  1. dissolutiondissolved
  2. customSolid materials are separated through filtration
  3. concentrationThe filtrate is concentrated
  4. customa residue is obtained
  5. customThe residue is purified through medium pressure silica gel column chromatography (eluate: ethyl acetate/methanol=85/15), and 1-(4-aminobenzyl)-2-methyl-6-[(2-pyridylmethyl)carbamoyl]benzimidazole and 1-(4-aminobenzyl)-2-methyl-5-[(2-pyridylmethyl)carbamoyl]benzimidazole
  6. customare separated
  7. customThese materials are crystallized in mixed solvents of chloroform and diethylether
  8. customThe crystals are separated through filtration
  9. customdried

出典と根拠

ORDレコード
ord-333b11ea43374cde9b1eb571c4808fcd
出典データセット
uspto-grants-2002_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06348032B1

反応ノート

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このページの内容参加物実験手順後処理出典と根拠反応ノート