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Hydrochloric Acid → 2-(3-{(2-Fluoro-4,5-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 1161365
ノート
印刷プレビュー

反応式

HRID 1161365 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]=[C:43]([O:45][CH3:46])[C:42]([O:47][CH3:48])=[CH:41][C:40]=1[F:49])=[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)C=O>[F:49][C:40]1[CH:41]=[C:42]([O:47][CH3:48])[C:43]([O:45][CH3:46])=[CH:44][C:39]=1[C:25](=[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)[C:24]1[NH:23][C:22](=[O:21])[N:2]([C:4]2[CH:12]=[CH:11][CH:10]=[CH:9][C:5]=2[C:6]([OH:8])=[O:7])[N:3]=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 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 104169Benzoic acid, 2-hydrazinyl-, hydrochloride (1:1)HCID 72312823[2-(2-Fluoro-4,5-dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester

生成物 1

HCID 1361736382-(3-{(2-Fluoro-4,5-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 95.1%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒2 回

反応条件

温度
85 °C

実験手順

After adding 240 mg of 2-hydrazinobenzoic acid hydrochloride and 0.295 ml of triethylamine to a solution of 500 mg of [2-(2-fluoro-4,5-dimethoxyphenyl)-2-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylimino]-1-methylsulfanylethylidene]carbamic acid methyl ester in 10 ml of N,N-dimethylformamide (hereinafter, “DMF”), the mixture was stirred at 85° C. for 21 hours under a nitrogen atmosphere. After cooling the reaction mixture to room temperature, dilute hydrochloric acid (pH 3-4) was added and extraction was performed with ethyl acetate. The organic layer was then washed with dilute hydrochloric acid (pH 3-4) and saturated brine, and dried over anhydrous sodium 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-ethyl acetate) to give the title compound (548 mg) as a light yellow solid.

後処理

  1. temperatureAfter cooling the reaction mixture to room temperature
  2. extractionextraction
  3. washThe organic layer was then washed with dilute hydrochloric acid (pH 3-4) and saturated brine
  4. dry with materialdried over anhydrous sodium 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-ethyl acetate)

出典と根拠

ORDレコード
ord-287345b01a0a468f947ffc1032320350
出典データセット
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07816522B2

反応ノート

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