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Hydrochloric Acid → 2-(3-{(3,4-Dimethoxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]methyl}-5-oxo-4,5-dihydro-[1,2,4]triazol-1-yl)benzoic acid

HRID 1698700
ノート
印刷プレビュー

反応式

HRID 1698700 の反応式
Cl.[NH:2]([C:4]1[CH:12]=[CH:11][CH:10]=[CH:9][C:5]=1[C:6]([OH:8])=[O:7])[NH2:3].C(N(CC)CC)C.C[O:21][C:22](=O)[N:23]=[C:24](SC)[C:25]([C:39]1[CH:44]=[CH:43][C:42]([O:45][CH3:46])=[C:41]([O:47][CH3:48])[CH:40]=1)=[N:26][C:27]1[CH:32]=[CH:31][C:30]([C:33]2[N:37]=[C:36]([CH3:38])[O:35][N:34]=2)=[CH:29][CH:28]=1.Cl>CN(C=O)C.O>[CH3:48][O:47][C:41]1[CH:40]=[C:39]([C:25](=[N:26][C:27]2[CH:32]=[CH:31][C:30]([C:33]3[N:37]=[C:36]([CH3:38])[O:35][N:34]=3)=[CH:29][CH:28]=2)[C:24]2[NH:23][C:22](=[O:21])[N:2]([C:4]3[CH:12]=[CH:11][CH:10]=[CH:9][C:5]=3[C:6]([OH:8])=[O:7])[N:3]=2)[CH:44]=[CH:43][C:42]=1[O:45][CH3:46]
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

7

反応物 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 104169Benzoic acid, 2-hydrazinyl-, hydrochloride (1:1)HCID 72312776[2-(3,4-Dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester

生成物 1

HCID 1361737382-(3-{(3,4-Dimethoxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]methyl}-5-oxo-4,5-dihydro-[1,2,4]triazol-1-yl)benzoic acid
収率 32.3%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

反応条件

温度
90 °C

実験手順

After adding 38 mg of 2-hydrazinobenzoic acid hydrochloride and 0.056 ml of triethylamine to a solution of 91 mg of [2-(3,4-dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester in 5 ml of DMF, the mixture was stirred at 90° C. for 20 hours under a nitrogen atmosphere. After cooling the reaction mixture to room temperature, 30 ml of water was added, hydrochloric acid was added (for adjustment to pH 3-4), and extraction was performed with 50 ml of ethyl acetate. The organic layer was washed twice with 30 ml of water and once with 30 ml of saturated brine, and then dried over anhydrous magnesium sulfate. The desiccating agent was filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by NAM silica gel column chromatography (methanol-dichloromethane) to give the title compound (34 mg) as a light yellow solid.

後処理

  1. temperatureAfter cooling the reaction mixture to room temperature
  2. extraction(for adjustment to pH 3-4), and extraction
  3. washThe organic layer was washed twice with 30 ml of water and once with 30 ml of saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationThe desiccating agent was filtered
  6. concentrationthe filtrate was concentrated under reduced pressure
  7. customThe residue was purified by NAM silica gel column chromatography (methanol-dichloromethane)

出典と根拠

ORDレコード
ord-79343333ef504e1eb9ecb69f78333e04
出典データセット
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08163787B2

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