Recent Advances in Diazophosphonate Chemistry: Reactions and Transformations DOI
Yungui Peng, S. Ullah,

Zulfiqar Hussain

et al.

Synthesis, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 5, 2024

Abstract Diazophosphonates function as indispensable synthetic intermediates within the domain of organic chemistry, serving precursors for a diverse range molecules, with potential applications bioactive compounds. α-Diazomethylphosphonates showcase expansive reactivity and elevated levels enantioselectivity in asymmetric transformations, especially conjunction suitable catalyst systems. This review compiles latest advancements diazophosphonate chemistry from 2016 to 2024, highlighting their transformative synthesis. Diazophosphonates, regarded revolutionary compounds, exhibit unique attributes carbene precursors, driving chemical reactions such [3+2] cycloaddition, [3+3] substitution reactions. Their adaptability functional group conversions underscores pivotal role various methodologies. The highlights growing interest among chemists, fostering novel strategies expanding application horizons. multifaceted utility diazophosphonates reagents, intermediates, catalysts significance modern pharmaceutical applications, prompting further exploration into this dynamic field. 1 Introduction 2 Cycloaddition Reactions 3 Asymmetric 4 5 Substitution 6 Carbene Precursors 7 Chemistry Fluorinated Compounds 8 Other 9 Future Directions 10 Conclusion

Language: Английский

Visible-Light-Irradiated Cascade Reaction of Indole-Tethered Alkenes to Access Tetracyclic Tetrahydro-γ-carbolines DOI
Haibo Mei, Aiyao Liu,

Jingrui He

et al.

Organic Letters, Journal Year: 2022, Volume and Issue: 24(14), P. 2630 - 2635

Published: March 30, 2022

A series of indole-derived alkenes have been designed and applied in a photocatalytic cascade reaction with bromodifluoroacetate esters, affording an unknown type tetracyclic tetrahydro-γ-carboline derivative up to 90% yields. Mechanistic studies suggest that the proceeds as key intermediate. The tolerates diverse pool substrates, which provides efficient method for construction compounds.

Language: Английский

Citations

25

Copper-catalyzed multicomponent reaction of β-trifluoromethyl β-diazo esters enabling the synthesis of β-trifluoromethyl N,N-diacyl-β-amino esters DOI Creative Commons

Youlong Du,

Haibo Mei, Ata Makarem

et al.

Beilstein Journal of Organic Chemistry, Journal Year: 2024, Volume and Issue: 20, P. 212 - 219

Published: Feb. 2, 2024

An efficient multicomponent reaction of newly designed β-trifluoromethyl β-diazo esters, acetonitrile, and carboxylic acids via an interrupted esterification process under copper-catalyzed conditions has been developed, which affords various unsymmetrical N , -diacyl-β-amino esters in good to excellent yields. The features mild conditions, a wide scope β-amino acids, also applicability large-scale synthesis, thus providing way for the synthesis β-diacylamino esters. Furthermore, this represents first example Mumm rearrangement

Language: Английский

Citations

5

Nitrogen-Based Organofluorine Functional Molecules: Synthesis and Applications DOI
Shuai Liu, Jun Zhou, Lu Yu

et al.

Chemical Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Fluorine and nitrogen form a successful partnership in organic synthesis, medicinal chemistry, material sciences. Although fluorine-nitrogen chemistry has long rich history, this field received increasing interest made remarkable progress over the past two decades, driven by recent advancements transition metal organocatalysis photochemistry. This review, emphasizing contributions from 2015 to 2023, aims update state of art synthesis applications nitrogen-based organofluorine functional molecules chemistry. In dedicated sections, we first focus on fluorine-containing reagents organized according type groups attached nitrogen, including N-F, N-RF, N-SRF, N-ORF. review also covers nitrogen-linked building blocks, catalysts, pharmaceuticals, agrochemicals, underlining these components' broad applicability growing importance modern

Language: Английский

Citations

0

Intramolecular Appel Reaction of Trifluoromethylated β-Keto Diazos Enabling Assembly of Trifluoromethylpyrazoles DOI
Haibo Mei, Nana Wang, Ziyi Li

et al.

Organic Letters, Journal Year: 2022, Volume and Issue: 24(11), P. 2258 - 2263

Published: March 17, 2022

A method for the generation of trifluoromethylated β-keto diazos and their applications in intramolecular Appel type reactions are reported. The key success this reaction is a diazo species as an N-nucleophile reactions. This conducted under mild conditions has broad substrate scope, affording trifluoromethylpyrazoles ≤94% yields. protocol represents new also mode fluoro diazoalkanes.

Language: Английский

Citations

17

A bioactive sprite: Recent advances in the application of vinyl sulfones in drug design and organic synthesis DOI

Jiangtao Tong,

Jiong Shu,

Yuhua Wang

et al.

Life Sciences, Journal Year: 2024, Volume and Issue: 352, P. 122904 - 122904

Published: July 9, 2024

Language: Английский

Citations

3

Ru-Catalyzed Hydrogen Atom Transfer/C–F Bond Cleavage of Difluoroalkyl Diazos with Hantzsch Ester via a Photocatalytic Radical Process DOI
Qian Wang, Jiang Liu, Haibo Mei

et al.

Organic Letters, Journal Year: 2022, Volume and Issue: 24(43), P. 8036 - 8040

Published: Oct. 26, 2022

A Ru-catalyzed reaction of difluoroalkyl diazo compounds with Hantzsch ester under visible light to achieve the formation α-fluorovinylphosphonates via a radical process has been developed. Mechanistic experiments and density functional theory calculations reveal that generation carbon is directly through hydrogen atom transfer (HAT) by ester. This system represents first example radicals from Hantzsch-ester-assisted HAT also demonstrates new radical-involved pathway for compounds.

Language: Английский

Citations

14

A DFT study of Ni-catalyzed (3 + 3)-annulation between donor–acceptor cyclopropanes and diaziridines DOI

Songshan Dai,

Xiaojiao Yang, Ran Fang

et al.

Organic Chemistry Frontiers, Journal Year: 2023, Volume and Issue: 10(8), P. 1948 - 1958

Published: Jan. 1, 2023

The mechanism and stereoselectivity of the Ni-catalyzed [3 + 3] annulation between donor–acceptor cyclopropanes (DACs) diaziridines were rationalized by DFT calculations.

Language: Английский

Citations

9

Rh‐Catalyzed Hydration/C−F Bond Cleavage of Fluorinated Diazoalkanes Enabling Synthesis of α‐Fluoro‐β‐ketophosphonates DOI Open Access

Qian Wang,

Jiang Liu, Haibo Mei

et al.

Advanced Synthesis & Catalysis, Journal Year: 2023, Volume and Issue: 365(17), P. 2883 - 2887

Published: July 21, 2023

Abstract (β‐Diazo‐α,α‐difluoroethyl)phosphonates have been emerging as useful building blocks in organic synthetic chemistry recent years, which can be used diazo analog or masked carbene for the rapid assembly of difluoromethylene phosphonate‐containing compounds. Herein, we elaborate a method synthesis α‐fluoro‐β‐ketophosphonates from hydration/C−F bond cleavage situ generated (β‐amino‐α,α‐difluoroethyl)phosphonates via Rh‐carbene intermediate. Divers are tolerated this reaction affording good yields. This water coupling partner, represents (β‐diazo‐α,α‐difluoroethyl)phosphonates and also generating bioactive α‐fluoro‐β‐ketophosphonates.

Language: Английский

Citations

9

Synthesis, biological evaluations and in silico studies on pyrimidine-appended fused pyrazolones as anticancer and antimicrobial agents DOI Open Access
Satbir Mor, Ravinder Punia, Mohini Khatri

et al.

Journal of Molecular Structure, Journal Year: 2023, Volume and Issue: 1296, P. 136759 - 136759

Published: Oct. 4, 2023

Language: Английский

Citations

9

Esterification of Carboxylic Acids with (β-Diazo-α,α-difluoroethyl)phosphonates under Photochemical Conditions DOI Open Access
Jiang Liu, Jingcheng Xu, Romana Pajkert

et al.

Acta Chimica Sinica, Journal Year: 2021, Volume and Issue: 79(6), P. 747 - 747

Published: Jan. 1, 2021

a ( 江苏省林业资源高效加工利用协调创新中心 化学工程学院 南京林业大学 南京 210037) b 生命科学与化学学院 不来梅雅各布大学 不来梅 28759) 摘要 利用可见光促进的 O-H 插入反应可以在温和条件下实现羧酸与原位生成的(β-重氮-α,α-二氟乙基)膦酸酯的酯化 反应, 以良好的产率得到了含有 α,α-二氟甲基膦酸酯的羧酸酯类化合物. 该反应操作简单, 对于不同的官能团具有良 好的适应性.因此, 这一反应为 α,α-二氟甲基膦酸酯衍生物的合成提供了一种高效的策略.关键词 二氟重氮乙烷; (β-重氮-α,α-二氟乙基)膦酸酯; 可见光促进;

Citations

20