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Ammonia → (E)-{2-[4-methyl-6-(1,3,4-oxadiazol-2-yl)-2-propylbenzimidazol-1-yl]methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene}acetonitrile

HRID 452151
ノート
印刷プレビュー

反応式

HRID 452151 の反応式
[CH3:1][C:2]1[C:10]2[N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[N:7]([CH2:14][C:15]3[CH:32]=[CH:31][C:18]4/[C:19](=[CH:28]/[C:29]#[N:30])/[C:20]5[CH:27]=[CH:26][CH:25]=[CH:24][C:21]=5[CH2:22][CH2:23][C:17]=4[CH:16]=3)[C:6]=2[CH:5]=[C:4]([C:33]([NH:35][NH2:36])=[O:34])[CH:3]=1.[CH:37](OCC)(OCC)OCC.O.N>C(O)(=O)C>[CH3:1][C:2]1[C:10]2[N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[N:7]([CH2:14][C:15]3[CH:32]=[CH:31][C:18]4/[C:19](=[CH:28]/[C:29]#[N:30])/[C:20]5[CH:27]=[CH:26][CH:25]=[CH:24][C:21]=5[CH2:22][CH2:23][C:17]=4[CH:16]=3)[C:6]=2[CH:5]=[C:4]([C:33]2[O:34][CH:37]=[N:36][N:35]=2)[CH: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 222AmmoniaHCID 962WaterHCID 31214Ethyl orthoformateHCID 67210803(E)-{2-[4-methyl-6-(hydrazinocarbonyl)-2-propylbenzimidazol-1-yl]methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene}acetonitrile

生成物 1

HCID 67210675(E)-{2-[4-methyl-6-(1,3,4-oxadiazol-2-yl)-2-propylbenzimidazol-1-yl]methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene}acetonitrile
収率 58%

試薬・触媒・溶媒 1

HCID 176Acetic Acid溶媒

反応条件

温度
50 °C

実験手順

[step 2] (E)-{2-[4-Methyl-6-(hydrazinocarbonyl)-2-propylbenzimidazol-1-yl]methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene}acetonitrile (40 mg, 0.08 mmol) obtained in step 1 was suspended in acetic acid (3 mL), triethyl orthoformate (3 mL) was added, and the mixture was stirred at 50° C. for 6 hr. Water (10 mL) was added to the mixture, and the mixture was neutralized to pH 9 with 30% aqueous ammonia solution, and extracted twice with chloroform. The organic layer was washed with brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (chloroform:methanol=9:1) to give (E)-{2-[4-methyl-6-(1,3,4-oxadiazol-2-yl)-2-propylbenzimidazol-1-yl]methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene}acetonitrile (24 mg, 58%).

後処理

  1. extractionextracted twice with chloroform
  2. washThe organic layer was washed with brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (chloroform:methanol=9:1)

出典と根拠

ORDレコード
ord-95a17037d10f45b09a5dcca60a2f600b
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08486980B2

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