Pyrazole‐4‐carboxylic Acids from Vanadium‐catalyzed Chemical Transformation of Pyrazole‐4‐carbaldehydes

Bala Renu; Kumari Poonam; Sood Sumit; Phougat Harshita; Kumar Anil; Singh Karan

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Pyrazole‐4‐carboxylic Acids from Vanadium‐catalyzed Chemical Transformation of Pyrazole‐4‐carbaldehydes

机译：吡唑-4-羧酸来自吡唑-4- Carbaldehydes的钒催化化学转化

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> The conversion of aldehydes into carboxylic acids using oxidizing agents is a common protocol in transformation chemistry. An efficient oxidation strategy of transformation of pyrazole‐4‐aldehydes to the corresponding acids using vanadium catalysts in the presence of 30% H ₂ O ₂ as an oxidant is described. The catalytic technology was successfully applied to a range of various 4‐formylpyrazoles, and plausible mechanism is also discussed.

机译： >使用氧化剂将醛转化为羧酸的转化化学中的常用方案。描述了在30％H _{2 / sup> 2 作为氧化剂存在下使用钒催化剂在钒催化剂中使用钒催化剂将吡唑-4-醛转化对相应酸的有效氧化策略。催化技术成功地应用于各种4-甲酰吡唑的范围，也讨论了合理的机制。}

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《Journal of Heterocyclic Chemistry: The International Journal of Heterocyclic Chemistry》 |2019年第6期|共7页
作者
Bala Renu; Kumari Poonam; Sood Sumit; Phougat Harshita; Kumar Anil; Singh Karan;
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Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

Department of Chemistry Akal College of Basic SciencesEternal UniversityBaru Sahib Sirmour Himachal Pradesh 173101 India;

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1. Pyrazole‐4‐carboxylic Acids from Vanadium‐catalyzed Chemical Transformation of Pyrazole‐4‐carbaldehydes [J] . Bala Renu, Kumari Poonam, Sood Sumit, Journal of Heterocyclic Chemistry: The International Journal of Heterocyclic Chemistry . 2019,第6期

机译：吡唑-4-羧酸来自吡唑-4- Carbaldehydes的钒催化化学转化
2. Oxovanadium(IV) pyrazolyl carboxylic acid complexes: synthesis, crystal structures of [VO(pzH)(HMPA)_2]_2 centre dot 4H_2O (1) and VO(OH)(dmpzH)_2(C_6H_5COO) (2) (H_2MPA = 5-methyl-1H-pyrazole-3-carboxylic acid, pzH = pyrazole, dmpzH = 3,5-dimethyl p [J] . ZHANG PENG LI, YONG HENG XING, YUAN HONG ZHANG Journal of Coordination Chemistry . 2009,第4期

机译：氧钒（IV）吡唑基羧酸配合物：合成[VO（pzH）（HMPA）_2] _2中心点4H_2O（1）和VO（OH）（dmpzH）_2（C_6H_5COO）（2）的晶体结构（H_2MPA = 5 -甲基-1H-吡唑-3-羧酸，pzH =吡唑，dmpzH = 3,5-二甲基p
3. Synthesis and spectroscopic characterization of cobalt(II),nickel(II)and copper(II)complexes with 5-methyl-1-(2'-pyridyl)pyrazole-3-carboxylic acid and 5-methyl-1-(4',6'-dimethyl-2'-pyrimidyl)pyrazole-3-carboxylic acid [J] . Nimairatan Adhikari, Nityananda Saha Journal of the Indian Chemical Society . 2006,第5期

机译：具有5-甲基-1-（2'-吡啶基）吡唑-3-羧酸和5-甲基-1-（4'）的钴（II），镍（II）和铜（II）配合物的合成及光谱表征6'-二甲基-2'-嘧啶基）吡唑-3-羧酸
4. Synthesis and Some Reactions of 4-(4-Methylbenzoyl)-5-(4-Methylphenyl)-1-4-Nitrophenyl-1H-Pyrazole-3-Carboxylic Acid(Abstract) [C] . Elif KORKUSUZ, Ismail YILDIRIM European Symposium on Organic Chemistry . 2009

机译：合成和4-（4-甲基苯甲酰基）-5-（4-甲基苯基）-1- 4-硝基苯基 -1H-吡唑-3-羧酸（摘要）的一些反应（摘要）
5. Exploration of alpha-Diazocarbonyl Compounds for Transition-Metal Catalyzed Carbon-Carbon Bond Formations. Development of Palladium-Catalyzed Stereoselective Synthesis of Trisubstituted Alkenes and the Synthesis of Quaternary alpha,alpha-Heterodiaryl Carboxylic Acids by Rhodium-Catalyzed Multi-Component Coupling Reactions. [D] . Tsoi, Yuk Tai. 2012

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6. Exploring Heteroaryl-pyrazole Carboxylic Acids asHuman Carbonic Anhydrase XII Inhibitors [O] . Roberta Cadoni, ∇, Nicolino Pala, 2017

机译：探索杂芳基-吡唑羧酸人碳酸酐酶XII抑制剂
7. Cover Picture: Carbon Dioxide Hydrogenation and Formic Acid Dehydrogenation Catalyzed by Iridium Complexes Bearing Pyridyl-pyrazole Ligands: Effect of an Electron-donating Substituent on the Pyrazole Ring on the Catalytic Activity and Durability (Adv. Syn [O] . Naoya Onishi, Ryoichi Kanega, Etsuko Fujita, 2018

机译：覆盖图：铱络合物催化吡啶基 - 吡唑配体催化的二氧化碳氢化和甲酸脱氢：电子给含有取代基对吡唑环对催化活性和耐久性的影响（ADV。SYN
8. Results of a Biodegradation Study, a Micronucleus Study and a Teratogenicity Study in Rabbits and Rats 3-Bromo-1-(3-Chloro- 2-Pyridinyl)-1H- Pyrazole-5-Carboxylic Acid. [R] . 2011

机译：在兔和大鼠中的生物降解研究，微核研究和致畸性研究的结果3-溴-1-（3-氯-2-吡啶基）-1H-吡唑-5-羧酸。

Pyrazole‐4‐carboxylic Acids from Vanadium‐catalyzed Chemical Transformation of Pyrazole‐4‐carbaldehydes

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