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Triethylamine → methyl 4-chloro-2-[(2,4-dichloro-6-methylphenyl)amino]-1-(3-hydroxypropyl)-1H-benzimidazole-7-carboxylate

HRID 1399068
ノート
印刷プレビュー

反応式

HRID 1399068 の反応式
[Cl:1][C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8][CH3:9])=[O:7])=[C:4]([NH:12][CH2:13][CH2:14][CH2:15][OH:16])[C:3]=1[NH:17][C:18](=S)[NH:19][C:20]1[C:25]([CH3:26])=[CH:24][C:23]([Cl:27])=[CH:22][C:21]=1[Cl:28].Cl.C(N=C=NCCCN(C)C)C.C(N(CC)CC)C>O1CCCC1.C(=O)([O-])O.[Na+]>[Cl:1][C:2]1[C:3]2[N:17]=[C:18]([NH:19][C:20]3[C:25]([CH3:26])=[CH:24][C:23]([Cl:27])=[CH:22][C:21]=3[Cl:28])[N:12]([CH2:13][CH2:14][CH2:15][OH:16])[C:4]=2[C:5]([C:6]([O:8][CH3:9])=[O:7])=[CH:10][CH:11]=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

6

反応物 3

HCID 8471TriethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 86632880Methyl 4-chloro-3-{[(2,4-dichloro-6-methylphenyl)carbamothioyl]amino}-2-[(3-hydroxypropyl)amino]benzoate

生成物 1

HCID 68763420methyl 4-chloro-2-[(2,4-dichloro-6-methylphenyl)amino]-1-(3-hydroxypropyl)-1H-benzimidazole-7-carboxylate

試薬・触媒・溶媒 2

HCID 8028
Tetrahydrofuran
溶媒
HCID 516892Sodium Bicarbonate溶媒

反応条件

温度
50 °C

実験手順

A mixture of methyl 4-chloro-3-{[(2,4-dichloro-6-methylphenyl)carbamothioyl]amino}-2-[(3-hydroxypropyl)amino]benzoate (Reference example 118, 2.17 g, 4.55 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (872 mg, 4.55 mmol) and triethylamine (0.70 mL) in tetrahydrofuran (20 mL) was stirred at 50° C. for 12 hr. The mixture was diluted with saturated aqueous sodium hydrogen carbonate, and extracted with ethyl acetate. The combined organic layer was washed with brine, dried over anhydrous magnesium sulfate, filtered and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel eluting with a 10-60% ethyl acetate/n-hexane gradient mixture. The filtrate was concentrated in vacuo to give methyl 4-chloro-2-[(2,4-dichloro-6-methylphenyl)amino]-1-(3-hydroxypropyl)-1H-benzimidazole-7-carboxylate as a brown wax (1.67 g).

後処理

  1. extractionextracted with ethyl acetate
  2. washThe combined organic layer was washed with brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by flash column chromatography on silica gel eluting with a 10-60% ethyl acetate/n-hexane gradient mixture
  7. concentrationThe filtrate was concentrated in vacuo

出典と根拠

ORDレコード
ord-f74d78d5d15c426dbd1ce5d0e5e846d1
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08901141B2

反応ノート

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