One-pot and step-wise synthesis of thieno[3,2-c] pyridin-4-ones

Sahu Satya Narayan; Singh Surjeet; Shaw Ranjay; Shally; Ram Vishnu Ji; Pratap Ramendra

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One-pot and step-wise synthesis of thieno[3,2-c] pyridin-4-ones

机译：噻吩并逐步合成Thieno [3,2-C]吡啶-4-

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Both one pot and step wise synthesis of methyl 3,5-diaminothieno[3,2-c] pyridin-4-one-2-carboxylates 6 have been delineated by the reaction of 6-aryl-4-methylthio-2H-pyran-2-one-3-carbonitriles 3, methyl mercaptoacetate and hydrazine hydrate. During the stepwise synthesis, functionalized thieno[3,2-c] pyran-4-ones 4 were isolated and treated with hydrazine hydrate to afford the desired products. Analogously, condensation-cyclisation of 5 with hydrazine hydrate delivered identical products, thieno [3,2-c] pyridin-4-ones 6, in excellent yields. The structure of isolated product 6 was ascertained by spectroscopic and single crystal X-ray diffraction analyses.

机译：通过6-芳基-4-甲基硫脲-2H-吡喃-2H-吡喃-2H-吡喃-2H-吡喃-2H-吡喃-2H-吡喃-2H-吡喃-2H- 2-3-碳腈3，巯基乙酸甲酯和肼水合物。在逐步合成期间，分离官能化噻吩[3,2-C]吡喃-4- 4-吡喃-4- 4-含有肼水合物处理，得到所需产物。类似地，用肼水合物提供相同的产物，噻吩并[3,2-c]吡啶-4-吡啶-4-酮6，优异的产率为优异的缩合环化。通过光谱和单晶X射线衍射分析确定分离产物6的结构。

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来源
《RSC Advances》 |2016年第88期|共6页
作者
Sahu Satya Narayan; Singh Surjeet; Shaw Ranjay; Shally; Ram Vishnu Ji; Pratap Ramendra;
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Univ Delhi Dept Chem North Campus Delhi 110007 India;

Univ Delhi Dept Chem North Campus Delhi 110007 India;

Univ Delhi Dept Chem North Campus Delhi 110007 India;

Univ Delhi Dept Chem North Campus Delhi 110007 India;

Univ Lucknow Dept Chem Lucknow 226009 Uttar Pradesh India;

Univ Delhi Dept Chem North Campus Delhi 110007 India;

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正文语种 eng
中图分类化学;
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1. One-pot and step-wise synthesis of thieno[3,2-c] pyridin-4-ones [J] . Sahu Satya Narayan, Singh Surjeet, Shaw Ranjay, RSC Advances . 2016,第88期

机译：噻吩并逐步合成Thieno [3,2-C]吡啶-4-
2. Synthesis of the fused heterobicycles 5-pyridin-2-yl-thieno[3,2-b]pyridine, 6-pyridin-2-yl-thieno[2,3-b]pyridine and 6-pyridin-2-yl-thieno[3,2-c]pyridine [J] . Nurkkala LJ, Steen RO, Dunne SJ Synthesis: International Journal of Methods in Synthetic Organic Chemistry . 2006,第8期

机译：稠合的杂环化合物5-吡啶-2-基-噻吩并[3,2-b]吡啶，6-吡啶-2-基-噻吩并[2,3-b]吡啶和6-吡啶-2-基-噻吩并吡啶的合成[3,2-c]吡啶
3. Four component synthesis of pyrrolo[3,2-c]pyridin-4-one derivatives [J] . Li Chunmei, Fan Weiming, Qi Chenze, Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2020,第34期

机译：吡咯的四种组分合成[3,2-C]吡啶-4-一种衍生物
4. The synthesis of novel Oligomer 4,8-Di(4-hexyl-2-thienyl)-2λ~4δ~2-benzo1,2-c; 5-c'bis1,2,5-thiadiazole [C] . ZHUANG Xiaoxiao, Lei Xiaolong, SUN Xiaoxia International Conference on Materials and Products Manufacturing Technology . 2013

机译：新型低聚物4,8-DI（4-己基-2-噻吩基）-2λ〜4δ〜2-苯并1,2-C; 5-C' BIS 1,2,5 - 噻唑
5. POTENTIAL ANTITUMOR AGENTS AND PREPARATION OF THIENO(3,2-C)(1)BENZOPYRAN-4-ONES [D] . MINATELLI, JOHN ADRIAN. 1974

机译：噻吩（3,2-C）（1）苯并吡喃-4-酮的潜在抗抗原剂和制备
6. A One-pot Condensation for Synthesis 2-methyl-4-phenylpyrano3 2-c chromen-5(4H)-one and Synthesis of Warfarin by Ionic Liquid Catalysis [O] . Aazam Monfared, Zohreh Esmaeeli 2016

机译：一锅缩合合成2-甲基-4-苯基吡喃并32-c铬n-5（4H）-一和离子液体催化合成华法林
7. A Convenient One-pot Synthesis of 2,3-Disubstituted Thieno2,3-dpyrimidin-4(3H)-ones from 2H-Thieno2,3-d1,3oxazine-2,4(1H)-diones, Aromatic Aldehydes and Amines [O] . Feize Liu, Xueling Hou, Li Nie, 2018

机译：2,3-二取代的Thieno 2,3-D嘧啶-4（3H） - 来自2H-Thieno 2,3-D 2,3-D 1,3氧化胺-2,4（ 1H） - 二酮，芳香醛和胺

One-pot and step-wise synthesis of thieno[3,2-c] pyridin-4-ones

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