Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-<em>b</em>]pyridine derivatives catalyzed by InCl<sub>3</sub> and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety

Efrain Polo; Karoll Ferrer-Pertuz; Jorge Trilleras; Jairo Quiroga; Margarita Gutiérrez

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Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b]pyridine derivatives catalyzed by InCl₃ and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety

机译：InCl _{3 催化的微波辅助一锅法合成水中的羰基吡唑并[3,4- b ]吡啶衍生物，并与醛进行声化学辅助缩合反应，得到新的含查尔酮衍生物。吡唑并吡啶基部分}

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Pyrazolo[3,4-b]pyridine derivatives have been synthesized via one-pot condensation of 3-methyl-1-phenyl-1H-pyrazolo-5-amine (1), formaldehyde (as paraformaldehyde) (2) and β-diketones (3) under microwave irradiation in aqueous media catalyzed by InCl₃. This process has been found to be useful in the preparation of new N-fused heterocycle products in good to excellent yields. Further treatment of pyrazolopyridines (4a and 4e) with aldehyde aromatics (5a–l) afforded chalcone analogs. 展开▼

机译：吡唑并[3,4- b ]吡啶衍生物是通过3-甲基-1-苯基-1 H 的一锅缩合合成的。 InCl _{3 催化的水介质中微波辐射下-吡唑并-5-胺（1），甲醛（作为低聚甲醛）（2）和β-二酮（3）。已经发现该方法对于制备新的 N -稠合的杂环产物是有用的，其产率高至优异。吡唑并吡啶（4a和4e）与醛芳烃（5a–l）的进一步处理提供了查尔酮类似物。} 展开▼

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《RSC Advances》 |2017年第79期|共12页

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Efrain Polo; Karoll Ferrer-Pertuz; Jorge Trilleras; Jairo Quiroga; Margarita Gutiérrez;
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中图分类化学;

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1. Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b]pyridine derivatives catalyzed by InCl₃ and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety [J] . Efrain Polo, Karoll Ferrer-Pertuz, Jorge Trilleras, RSC Advances . 2017,第79期

机译：InCl _{3 催化的微波辅助一锅法合成水中的羰基吡唑并[3,4- b ]吡啶衍生物，并与醛进行声化学辅助缩合反应，得到新的含查尔酮衍生物。吡唑并吡啶基部分}

2. Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b] pyridine derivatives catalyzed by InCl3 and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety [J] . Polo Efrain, Ferrer-Pertuz Karoll, Trilleras Jorge, RSC Advances . 2017,第79期

机译：羰基吡唑的水中微波辅助单罐合成[3,4-B]吡啶衍生物，催化醛与醛催化，以获得含有吡唑吡啶部分的新的醌衍生物

3. A Simple Three-Component Condensation: Highly Efficient Microwave-Assisted One-Pot Synthesis of Polyfunctional Pyridine Derivatives [J] . Shujiang Tu, Dianxiang Zhou, Longji Cao, Journal of Heterocyclic Chemistry: The International Journal of Heterocyclic Chemistry . 2009,第1期

机译：简单的三组分冷凝：高效微波辅助多官能吡啶衍生物的一锅合成

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. New developments toward the synthesis of heterocycles and applications in green chemistry. I. A simple and essentially one-pot synthesis of N-aminated heterocycles using phase transfer catalyst (Aliquat-336). II. Synthesis of pharmaceutically important pyrrole derivatives. III. Applications in green chemistry: Surfactant-mediated environmentally friendly cleavage of aromatic esters and trans-esterification under solvent-free neutral conditions . [D] . Patel, Nitinchandra. 2005

机译：杂环合成的新进展及其在绿色化学中的应用。 I.使用相转移催化剂（Aliquat-336）简单且基本上一锅合成N-胺化的杂环。二。药学上重要的吡咯衍生物的合成。三，在绿色化学中的应用：在无溶剂的中性条件下，表面活性剂介导的环境友好的芳族酯裂解和酯交换反应。

6. Microwave-Assisted Condensation Reactions of Acetophenone Derivatives and Activated Methylene Compounds with Aldehydes Catalyzed by Boric Acid under Solvent-Free Conditions [O] . Elodie Brun, Abdelmounaim Safer, François Carreaux, 2015

机译：无溶剂条件下硼酸催化苯乙酮衍生物与活化亚甲基化合物与醛的微波缩合反应

7. Microwave-assisted one-pot synthesis in water of carbonylpyrazolo3,4-bpyridine derivatives catalyzed by InCl3 and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety [O] . Efrain Polo, Karoll Ferrer-Pertuz, Jorge Trilleras, 2017

机译：羰基吡唑的水中微波辅助单罐合成3,4-B吡啶衍生物，催化醛与醛催化，以获得含有吡唑吡啶部分的新的醌衍生物

1. Asymmetric synthesis of pyridine derivatives FURO3,4 C AND PHARMACEUTICAL PREPARATIONS NON-racemic, pharmaceutically active derivatives. [P] . 外国专利： NO174150C . 1994-03-23

机译：吡啶衍生物FURO3,4 C的不对称合成和药物制剂非消旋，可药用的衍生物。

2. Asymmetric synthesis of pyridine derivatives FURO3,4 C AND PHARMACEUTICAL PREPARATIONS NON-racemic, pharmaceutically active derivatives. [P] . 外国专利： NO174150B . 1993-12-13

机译：吡啶衍生物FURO3,4 C的不对称合成和药物制剂非消旋，可药用的衍生物。

3. Asymmetric synthesis of pyridine derivatives FURO3,4 C AND PHARMACEUTICAL PREPARATIONS NON-racemic, pharmaceutically active derivatives. [P] . 外国专利： CH681983A5 . 1993-06-30

机译：吡啶衍生物FURO3,4 C的不对称合成和药物制剂非消旋，可药用的衍生物。

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Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b]pyridine derivatives catalyzed by InCl3 and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety

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Microwave-assisted one-pot synthesis in water of carbonylpyrazolo[3,4-b]pyridine derivatives catalyzed by InCl₃ and sonochemical assisted condensation with aldehydes to obtain new chalcone derivatives containing the pyrazolopyridinic moiety