PEG mediated synthesis of 6-pyrazinyl-/fused pyrazinylquinazolin-4(3H)-ones using Castro-Stephen coupling, oxidation and cyclocondensation reactions

Pagilla Shankaraiah; Kumar Angajala Kishore; Sunitha Vianala; Bhavani Anagani Kanaka Durga

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PEG mediated synthesis of 6-pyrazinyl-/fused pyrazinylquinazolin-4(3H)-ones using Castro-Stephen coupling, oxidation and cyclocondensation reactions

机译：PEG使用Castro-Stephen偶联，氧化和环致反应介导6-吡嗪基/熔合吡嗪基喹唑啉-4（3H） - 4（3H）的合成

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摘要

A PEG-mediated green synthesis of 6-pyrazinyl-/fused pyrazinylquinazolin- 4(3H)-ones was developed starting from 6-iodo-3-methyl-2-phenylquinazolin- 4(3H)-one by means of quinazolinone-based internal alkyne/1,2-diketone as intermediates using the Castro–Stephen coupling reaction/potassium permanganate mediated oxidation and cyclocondensation reactions.

机译：通过喹唑啉酮的内部，从6-碘-3-甲基-2-苯基喹啉-4（3H）开始，开发了6-吡嗪基/稠合吡嗪基喹唑啉-4（3H） - 4（3H）的介导的绿色合成。炔烃/ 1,2-Diketone用Castro-Stephen偶联反应/高锰酸钾介导的氧化和环己烷反应的中间体。

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《Journal of the Serbian Chemical Society》 |2020年第5期|共8页
作者
Pagilla Shankaraiah; Kumar Angajala Kishore; Sunitha Vianala; Bhavani Anagani Kanaka Durga;
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KMnO4Bisazaheterocycle12-diamine12-diketone;

机译：KMno4bisazaheterocycle12-胺12-Diketone;

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2. Construction of C _(aryl)-C _(alkynyl) bond from copper-mediated arene-alkyne and aryl iodide-alkyne cross-coupling reactions: A common aryl-Cu III intermediate in arene C-H Activation and castro-stephens reaction [J] . Wang Z.-L., Zhao L., Wang M.-X. Organic letters . 2012,第6期

机译：由铜介导的芳烃-炔烃和芳基碘化物-炔烃交叉偶联反应构建C _（芳基）-C _（炔基）键：芳烃C-H活化和蓖麻-斯蒂芬斯反应中常见的芳基-Cu III中间体
3. Diversity-oriented synthesis of benzimidazole, benzoxazole,benzothiazole and quinazolin-4(3H)-one libraries via potassiumpersulfate—CuSO_4-mediated oxidative coupling reactionsof aldehydes in aqueous micelles [J] . Atul Kumar, Ram Awatar Maurya, Deepti Saxena Molecular diversity . 2010,第2期

机译：通过过硫酸钾-CuSO_4介导的水性胶束中醛的氧化偶联反应，以多样性为导向合成苯并咪唑，苯并恶唑，苯并噻唑和喹唑啉-4（3H）-一个文库
4. Regioselectivity in Fused Dicycloalkeno Thieno2,3-dpyrimidin-4(3H)-ones in the Reaction with DMF Dimethylacetal(Abstracts) [C] . Annamaria Lilienkampf, Sami Heikkinen, Ilpo Mutikainen European Symposium on Organic Chemistry . 2007

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6. A Microwave-Assisted and Heteropolyacids-Catalysed Cyclocondensation Reaction for the Synthesis of4(3H)-Quinazolinones [O] . Karima Ighilahriz, Baya Boutemeur, Fariza Chami, 2008

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PEG mediated synthesis of 6-pyrazinyl-/fused pyrazinylquinazolin-4(3H)-ones using Castro-Stephen coupling, oxidation and cyclocondensation reactions

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