Applications of Bio-Resource Based Sustainable Heterogeneous Pd-Nanocatalyst for Cross-Coupling and Michael Addition Reactions DOI
Md. Shaharul Islam, Shaheen M. Sarkar, Md Lutfor Rahman

и другие.

Опубликована: Янв. 1, 2023

The development of efficient and cost-effective catalysts from renewable sources is crucial for sustainable chemistry. Herein, we developed a bio-heterogeneous Pd-nanocatalyst (PdNc@PA), by incorporating palladium nanoparticles into biodegradable kenaf-cellulose modified with poly(amidoxime) ligands. catalyst has demonstrated remarkable stability exceptional catalytic performance in range cross-coupling including Mizoroki-Heck, Suzuki-Miyaura, Tamejiro-Hiyama reactions inactivated aryl chlorides, resulting high yields the desired coupling products. Additionally, PdNc@PA was also found to be effective Michael addition reactions, producing N, S, O-alkylated products yields. Furthermore, robustness recoverability, allowing it reused across successive cycles without significant loss activity. This property makes an excellent candidate large-scale industrial applications. incorporation resources offers environmentally conscious alternative traditional synthetic approaches. research highlights potential utilizing materials as supports, which could significantly diminish environmental impact waste production. Moreover, study demonstrates versatility proficient reusable diverse array organic reactions. These discoveries provide encouraging pathway towards economically viable suitable

Язык: Английский

Copper catalysed construction of C-P bond: C-H functionalization DOI

Rajnikant N. Ghoghari,

Kishor H. Chikhalia

Journal of Organometallic Chemistry, Год журнала: 2025, Номер unknown, С. 123512 - 123512

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

2
Application of sulfoxonium ylide in transition-metal-catalyzed C-H bond activation and functionalization reactions DOI
Anil Kumar, Mahadev Sharanappa Sherikar, Vinayak Hanchate

и другие.

Tetrahedron, Год журнала: 2021, Номер 101, С. 132478 - 132478

Опубликована: Окт. 8, 2021

Язык: Английский

Процитировано

71
C–H bond functionalization by high-valent cobalt catalysis: current progress, challenges and future perspectives DOI
Lukass Lukasevics, Aleksandrs Cizikovs, Liene Grigorjeva

и другие.

Chemical Communications, Год журнала: 2021, Номер 57(83), С. 10827 - 10841

Опубликована: Янв. 1, 2021

Over the last decade, high-valent cobalt catalysis has earned a place in spotlight as valuable tool for C-H activation and functionalization. Since discovery of its unique reactivity, more attention been directed towards utilization an alternative to noble metal catalysts. In particular, Cp*Co(III) complexes, well simple Co(II) Co(III) salts combination with bidentate chelation assistance, have extensively used development novel transformations. this review, we demonstrated existing trends functionalization methodology using highlighted main challenges overcome, perspective directions, which need be further developed future.

Язык: Английский

Процитировано

69
Iodonium ylides: an emerging and alternative carbene precursor for C–H functionalizations DOI
Sanjeev Kumar, Vaishnavi Borkar,

Mohd Mujahid

и другие.

Organic & Biomolecular Chemistry, Год журнала: 2022, Номер 21(1), С. 24 - 38

Опубликована: Ноя. 23, 2022

The metal-catalyzed successive activation and functionalization of arene/heteroarene is one the most fundamental transformations in organic synthesis leads to privileged scaffolds natural products, pharmaceuticals, agrochemicals, fine chemicals. Particularly, transition-metal-catalyzed C-H arenes with carbene precursors via metal migratory insertion has been well studied. As a result, diverse have evaluated, such as diazo compounds, sulfoxonium ylides, triazoles, etc. In addition, there significant developments use iodonium ylides recent years, these reactions proceed high efficiencies selectivities. This review provides comprehensive overview functionalizations, including scope, limitations, their potential synthetic applications.

Язык: Английский

Процитировано

27
Applications of bio-resource based sustainable heterogeneous Pd-Nanocatalyst for Cross-Coupling and Michael addition reactions DOI Creative Commons
Md. Shaharul Islam, Shaheen M. Sarkar, Lutfor Rahman

и другие.

Chemical Engineering Journal, Год журнала: 2024, Номер 483, С. 149271 - 149271

Опубликована: Фев. 3, 2024

The development of efficient and cost-effective catalysts from renewable sources is crucial for sustainable chemistry. Herein, we developed a bio-heterogeneous Pd-nanocatalyst (PdNc@PA) by incorporating palladium nanoparticles into biodegradable kenaf-cellulose modified with poly(amidoxime) ligands. catalyst has demonstrated remarkable stability exceptional catalytic performance in range cross-coupling including Mizoroki-Heck, Suzuki-Miyaura, Tamejiro-Hiyama reactions inactivated aryl chlorides resulting high yields the desired coupling products. Additionally, PdNc@PA was also found to be effective Michael addition producing N, S, O-alkylated products yields. Furthermore, robustness recoverability allowing it reused across successive cycles without significant loss activity. incorporation resources offers an environmentally conscious alternative traditional synthetic approaches. This research highlights potential utilizing materials as supports, which could significantly diminish environmental impact waste production. Moreover, this study demonstrates versatility proficient reusable diverse array organic reactions. These discoveries provide encouraging pathway towards economically viable suitable industrial applications.

Язык: Английский

Процитировано

5
Recent advances in directed sp2 C–H functionalization towards the synthesis of N-heterocycles and O-heterocycles DOI
Bhargav Desai,

Monak Patel,

Bharatkumar Z. Dholakiya

и другие.

Chemical Communications, Год журнала: 2021, Номер 57(70), С. 8699 - 8725

Опубликована: Янв. 1, 2021

Metal catalyzed C–H functionalization is a convenient and powerful strategy to construct various N,O-heterocycles. This review highlights the recent breakthroughs in synthesis of N,O-heterocycles via directed sp 2 functionalization.

Язык: Английский

Процитировано

32
Mechanistic insight into the electron-donation effect of modified ZIF-8 on Ru for CO2 hydrogenation to formic acid DOI
Xiaowei Hu,

Maowei Luo,

Mooeez Ur Rehman

и другие.

Journal of CO2 Utilization, Год журнала: 2022, Номер 60, С. 101992 - 101992

Опубликована: Март 28, 2022

Язык: Английский

Процитировано

22
Co(III) Intermediates in Cobalt-Catalyzed, Bidentate Chelation Assisted C(sp2)-H Functionalizations DOI Creative Commons
Aleksandrs Cizikovs, Liene Grigorjeva

Inorganics, Год журнала: 2023, Номер 11(5), С. 194 - 194

Опубликована: Апрель 29, 2023

The C-H bond activation and functionalization is a powerful tool that provides efficient access to various organic molecules. cobalt-catalyzed oxidative has earned enormous interest over the past two decades. Since then, wide diversity of synthetic protocols have been published for C-C, C-Het, C-Hal formation reactions. To gain some insights into reaction mechanism, authors performed series experiments collected evidence. Several groups successfully isolated reactive Co(III) intermediates elucidate mechanism. In this review, we will summarize information concerning synthesized in cobalt-catalyzed, bidentate chelation assisted their reactivity based on current knowledge about general

Язык: Английский

Процитировано

11
Synthesis of N3-substituted-quinazoline-2,4(1H,3H)-diones via CuI-catalyzed coupling of 2-iodobenzamides with potassium cyanate DOI Creative Commons
Ali Nasirpour,

Zarrin Ghasemi,

Seyed Abolfazl Hosseini–Yazdi

и другие.

Results in Chemistry, Год журнала: 2025, Номер unknown, С. 102204 - 102204

Опубликована: Март 1, 2025

Язык: Английский

Процитировано

0
C−H Activation of Benzamides Using Biogenically Synthesized Pd@CNTs Catalyst under External Ligand Free Condition: Access to Isoquinolones and A DFT Study of Phytochemicals DOI
Rajeev V. Hegde, Rahul Bhondwe,

K. A. Sree Raj

и другие.

ChemistrySelect, Год журнала: 2023, Номер 8(23)

Опубликована: Июнь 13, 2023

Abstract Environmentally amiable biogenic strategy for in‐situ one‐step synthesis of Pd‐NPs decorated on carbon nanotubes (CNTs) and its synthetic utility C−H activation benzamides to access isoquinolones has been reported the first time. The phytochemicals present in Gliricidia sepium leaves extract was found be serve as a reducing agent reduce Pd (II) (0) subsequently acts stabilizing agent. formation Pd@CNTs confirmed by P ‐XRD, FE‐SEM, EDX ICP‐OES analysis technique with active content 42.82 % w/w. In addition, DFT study were conducted. catalytic activity showcased cost‐effective, step atom economic via N−H bond without aid external ligands. A series isoquinolone derivatives synthesized good excellent yields under air sole oxidant. catalyst recyclability mechanistic experiments deliberated. unveiled superior high durability towards hydrogen evolution reaction acidic media. attains current density 10 mA/cm2 at an over potential 127 mV small Tafel slope 41 mV/dec.

Язык: Английский

Процитировано

9