Recyclization of 1,4-dihydropyridine derivatives in acidic medium

S. Stupnikova; E. Petushkova; D. Muceniece; V. Lusis

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Recyclization of 1,4-dihydropyridine derivatives in acidic medium

机译：1,4-二氢吡啶衍生物在酸性介质中的再循环

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摘要

The recyclization of 1,4-dihydropyridines in aqueous-alcoholic hydrochloric acid medium proceeds with cleavage of a C-N bond and pyridine ring opening. Cyclohexenone derivatives are formed as a result of the subsequent intramolecular crotonic condensation of the acyclic intermediate. The leaving carbonyl substituents depart simultaneously with recyclization, depending on the acidity of the reaction medium.

机译：1，4-二氢吡啶在含水酒精盐酸介质中的环化反应是通过C-N键的裂解和吡啶的开环进行的。由于无环中间体随后的分子内巴豆酸缩合，形成了环己烯酮衍生物。取决于反应介质的酸度，剩余的羰基取代基在再循环的同时分离。

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《Chemistry of heterocyclic compounds》 |2007年第1期|共9页
作者
S. Stupnikova; E. Petushkova; D. Muceniece; V. Lusis;
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正文语种 eng
中图分类杂环化合物;
关键词
1; 4-dihydropyridines; cyclohex-2-enones; recyclization; hydrolysis of enamines; elimination of carbonyl substituents;

机译：1;4-二氢吡啶;环己-2-烯酮;环化;烯胺水解;消除羰基取代基;

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专利

1. Recyclization of 1,4-dihydropyridine derivatives in acidic medium [J] . S. Stupnikova, E. Petushkova, D. Muceniece, Chemistry of heterocyclic compounds . 2007,第1期

机译：1,4-二氢吡啶衍生物在酸性介质中的再循环
2. Catalytic synthesis of fused 1,4-dihydropyridines and 1,4-dihydropyridine derivatives using preyssler heteropolyacids catalyst [J] . Gharib A., Jahangir M., Roshani M., Synthetic Communications . 2012,第22a24期

机译：Preyssler杂多酸催化剂催化合成1,4-二氢吡啶和1,4-二氢吡啶衍生物
3. Recyclization of Ethyl 1-Alkyl-5-benzoyl-6-methylsulfanyl-2-oxo-1,2-dihydropyridine-3-earboxylates into Bicyclic N-Alkyl-5-benzoyl-2-oxo-1,2-dihydropyridine-3-carboxamide Derivatives by the Action of Nitrogen-Containing 1,4- and 1,5-Binucleophiles [J] . V. N. Britsun, A. N. Esipenko, A. V. Gutov Russian Journal of Organic Chemistry . 2009,第12期

机译：将1-烷基-5-苯甲酰基-6-甲基硫烷基-2-氧代-1,2-二氢吡啶-3-乙基羧酸酯的环化成双环N-烷基-5-苯甲酰基-2-氧代-1,2-二氢吡啶-3-含氮1,4-和1,5-双亲核试剂作用下的羧酰胺衍生物
4. Microwave-Assisted One-Pot Multicomponent Synthesis of 1,4-Dihydropyridine Derivatives using Nanochitosan [C] . D. Febriantini, A. H. Cahyana, R. T. Yunarti, International Symposium on Current Progress in Mathematics and Sciences . 2019

机译：使用纳米分组的微波辅助1罐多组分合成1,4-二氢吡啶衍生物
5. Investigating The Anti-Cancer Properties of Novel Hybrid 1,4-Dihydropyridine Derivatives in U-87mg Glioblastoma Cell Line [D] . Hunyenyiwa, Tendai 2019

机译：在U-87mg胶质母细胞瘤细胞系中研究新型杂种1,4-二氢吡啶衍生物的抗癌特性
6. Molecular simulations study of novel 1,4-dihydropyridines derivatives with a high selectivity for Cav3.1 calcium channel [O] . Xiaoguang Liu, Hui Yu, Xi Zhao, 2012

机译：对Cav3.1钙通道具有高选择性的新型1,4-二氢吡啶衍生物的分子模拟研究
7. Bismuth nitrate as an efficient recyclable catalyst for the one-pot multi component synthesis of 1,4-dihydropyridine derivatives through unsymmetrical Hantzsch reaction [O] . S. Sheik Mansoor, K. Aswin, K. Logaiya, 2016

机译：硝酸铋作为一种有效的可回收催化剂，用于通过不对称Hantzsch反应一锅法多组分合成1,4-二氢吡啶衍生物

Recyclization of 1,4-dihydropyridine derivatives in acidic medium

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