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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
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HRID 452151 반응식
[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
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참가 물질

6

반응물 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

생성물 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
수율 58%

시약·촉매·용매 1

HCID 176Acetic Acid용매

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온도
50 °C

실험 절차

[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%).

후처리

  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)

출처 및 근거

ORD 기록
ord-95a17037d10f45b09a5dcca60a2f600b
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08486980B2

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