• 제목/요약/키워드: Oxadiazoles

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세미카바존의 전기적 산화에 의한 2-Amino-5-Substituted-1,3,4-Oxadiazoles 합성 (Synthesis of Some 2-Amino-5-Substituted-1,3,4-Oxadiazoles Through the Electrooxidation of Semicarbazone)

  • Kumar, Sanjeev
    • 대한화학회지
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    • 제53권2호
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    • pp.159-165
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    • 2009
  • 2-Amino-5-Substituted-1,3,4-Oxadiazoles의 합성은 비분활된 셀에서 포텐셜 전기분해의 제어하에 백금전극의 세미카바존 전기적 산화로부터 수행되었다. 이것은 유기화학 합성분야에서 환경적으로 양호한 방법이다. 아세트산 및 아세트니트릴, 무수용매와 리튬 과염소산염 이 전기적 산화에서 전기분해을 위하여 사용 되어졌다. 생성물은 IR, $^1H$-NMR, $^{13}C$-NMR 그리고 원소분석을 통해 구조분석 하였다.

Ecofriendly Synthesis of Antifungal Azoles

  • Kidwai, M.;Mohan, R.
    • 대한화학회지
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    • 제48권2호
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    • pp.177-181
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    • 2004
  • 1,2,4-트라이아졸, 피라졸론, 그리고 1,3,4-옥사다이아졸을 마이크로파 쬐임(MWI) 하에서 여러 가지 고체지지체를 이용하여 치환기가 있는 하이드라자이드로부터 합성하였다. 그 얻어진 실험 결과들은 고체지지체의 다양성을 보여준다. 합성한 모든 유도체들을 A. niger와 A. flavus 균주에서 항진균성활성도를 조사한 하였으며 좋은 활성을 보여 주었다.

Four-Component Preparation of Disubstituted 1,3,4-Oxadiazoles from (N-isocyanimino)triphenylphosphorane, Phenylacetylenecarboxylic Acid, Biacetyl and Primary Amines

  • Ramazani, Ali;Abdian, Behnaz;Nasrabadi, Fatemeh Zeinali;Shajari, Nahid;Ranjdoost, Zahra
    • Bulletin of the Korean Chemical Society
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    • 제33권11호
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    • pp.3701-3705
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    • 2012
  • A simple method has been developed for four-component synthesis of disubstituted 1,3,4-oxadiazoles using (N-isocyanimino)triphenylphosphorane, a primary amine, a carboxylic acid and biacetyl in $CH_2Cl_2$ by the Ugi-4CR/aza-Wittig sequence at room temperature in excellent yields.

반응방법에 따른 1-Benzofuran-2-yl thiadiazoles, Triazoles과 Oxadiazoles의 합성 (Synthesis and Characterization of 1-Benzofuran-2-yl thiadiazoles, Triazoles and Oxadiazoles by Conventional and Non-conventional Methods)

  • Shinde, Ananta D.;Kale, Bhima Y.;Shingate, Bapurao B.;Shingare, Murlidhar S.
    • 대한화학회지
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    • 제54권5호
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    • pp.582-588
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    • 2010
  • Thiosemicarbazides의 cyclocondensation을 이용한 1,3,4-thiadiazoles, 1,3,4-triazoles과 1,3,4-oxadiazole계의 benzofuran의 합성을 좋은 수율로 합성하였다.

Facile Synthesis and Biological Evaluation of Heterocyclic Compounds Containing Diazepam

  • Berghot, M.A.
    • Archives of Pharmacal Research
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    • 제24권4호
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    • pp.263-269
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    • 2001
  • Diazepamoxadiazoles 4,5,6,12,14 and 22 were prepared with the binary form system. Diazepamthiadiazoles 15,20 and Diazepamtriazoles 7,8,9,17,18,19 and 21 were also shapely synthesized. Some of these compounds were screened to test their antibacterial activity against E. coli and B. subtilis compounds 15 and 20 show potent activity against these bacteria.

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Synthesis of New Xanthenone Derivatives of Expected Antibilharzial Activity

  • Omar, Mahmoud-T.
    • Archives of Pharmacal Research
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    • 제20권6호
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    • pp.602-609
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    • 1997
  • A new series of 1, 3, 4-oxadiazoles, 1, 3, 4-thiadiazoles and 1, 2, 4-triazoles incorporated directly and/or indirectly into a xanthenone moiety at position-2-were synthesized. Some of the newly prepared compounds were biologically tested as schistosomicides in experimental animals.

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(2-(6-Methyl-2-P-tolyl-lH-imidazo[1,2-a]pyridin-3-yl)핵종을 가지고 있는 불소화된 아조화합물의 합성과 항균활성의 스크리닝 (Synthesis and Antimicrobial Screening of Some Fluorinated Azoles Containing (2-(6-Methyl-2-P-tolyl-lH-imidazo[1,2-a]pyridin-3-yl) Nucleus)

  • Shelke, Sharad;Salunkhe, Nilesh;Sangale, Sandeep;Bhalerao, Swapnil;Naik, Nilesh;Mhaske, Ganesh;Jadhav, Ranjana;Karale, Bhausaheb
    • 대한화학회지
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    • 제54권1호
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    • pp.59-64
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    • 2010
  • 일련의 불소화된 티아디아졸 3, 트리아졸 4, 그리고 옥사디아졸 5이 (2-(6-Methyl-2-P-tolyl-lH-imidazo[1,2-a]pyridin-3-yl)핵종을 가지고 있는 티오세미카르바지드로 부터 합성되어진다. 초음파조사 방법 뿐만 아니라 일반적인 방법에 의해 반응이 진행되었다. 모든 생성물들은 IR, 1H NMR, MS로 구조가 결정되었고, 이들 화합물의 항균활성을 스크닝하였다.

Synthesis of Polyphenylene-1,2,4-Owadiazoles and Quinone Polymer by the Reactions of Tere- and Iso-Phthalohydroxamoyl Chlorides with Bisdipolarophiles

  • Suck-Ju Hong
    • 대한화학회지
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    • 제15권3호
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    • pp.121-125
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    • 1971
  • Tere-and Isophthalohydroxamoyl chlorides were condensed with 1, 4-benzoquinone to afford quinone type polymer with the oxidation of the ring structure. Similarly, tere-and isophthalohydroxamoyl chlorides were condensed with tere-and isophthaldioximes and terephthalonitrile to give crystalline polyphenylene-1,2,4-oxadiazoles, among which the reaction product of terephthalohydroxamoyl chloride with terephthalonitrile in xylene afforded the highest crystallinity.

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