Frontiers in Photoelectrochemical Catalysis: A Focus on Valuable Product Synthesis

Advanced Materials, Год журнала: 2024, Номер 36(21)

Опубликована: Фев. 11, 2024

Abstract Photoelectrochemical (PEC) catalysis provides the most promising avenue for producing value‐added chemicals and consumables from renewable precursors. Over last decades, PEC catalysis, including reduction of feedstock, oxidation organics, activation functionalization C─C C─H bonds, are extensively investigated, opening new opportunities employing technology in upgrading readily available resources. However, several challenges still remain unsolved, hindering commercialization process. This review offers an overview targeted at synthesis high‐value sustainable First, fundamentals evaluating reactions context product both anode cathode recalled. Then, common photoelectrode fabrication methods that have been employed to produce thin‐film photoelectrodes highlighted. Next, advancements systematically reviewed discussed conversion various feedstocks highly valued chemicals. Finally, prospects field presented. aims facilitating further development precursors products other pharmaceuticals.

Язык: Английский

---

The green chemistry paradigm in modern organic synthesis

Russian Chemical Reviews, Год журнала: 2023, Номер 92(12), С. RCR5104 - RCR5104

Опубликована: Дек. 1, 2023

After the appearance of green chemistry concept, which was introduced in vocabulary early 1990s, its main statements have been continuously developed and modified. Currently, there are 10–12 cornerstones that should form basis for an ideal chemical process. This review analyzes accumulated experience achievements towards design products processes reduce or eliminate use generation hazardous substances. The presents views leading Russian scientists specializing various fields this subject, including homogeneous heterogeneous catalysis, fine basic organic synthesis, electrochemistry, polymer chemistry, based on bio-renewable feedstocks energetic compounds materials. A new approach to quantitative evaluation environmental friendliness by authors is described. <br> bibliography includes 1761.

Язык: Английский

---

Electrochemical Oxidative Annulation of Inactivated Alkynes for the Synthesis of Sulfonated 2H-Chromene Derivatives

Organic Letters, Год журнала: 2023, Номер 25(16), С. 2793 - 2797

Опубликована: Апрель 18, 2023

A unique, facile, and straightforward electrochemical oxidative annulation of inactivated propargyl aryl ethers with sulfonyl hydrazides leading to 3-sulfonated 2H-chromenes has been achieved. Significantly, this protocol involves a green approach that works under mild reaction conditions using constant current in an undivided cell is devoid oxidants catalysts. Notably, the process exhibited broad scope functional group tolerance deliver would represent alternative sustainable strategy versus conventional chromene synthesis.

Язык: Английский

---

Electrochemical Site‐Selective Alkylation of Tropones via Formal C(sp³)−C(sp²) Coupling Reaction

Advanced Synthesis & Catalysis, Год журнала: 2024, Номер 366(9), С. 1965 - 1971

Опубликована: Март 5, 2024

Abstract The first site‐selective electrochemical alkylation of tropones is realized by reacting 2‐acetoxytropones and redox‐active‐esters (RAEs). electroreductive protocol enables the preparation mono‐ disubstituted in high yields (up to 71%) under very mild conditions. Dedicated voltammetric measurements served for identification as a class valuable trapping agents nucleophilic radical species shed light on whole mechanistic profile. Wide tolerance towards functional groups (27 examples) application late‐stage functionalization bioactive compound ( i. e . Colchicine analogue), emphasize synthetic impact present methodology.

Язык: Английский

---

Electrochemistry-Enabled Ir-Catalyzed C-H/N-N Bond Activation Facilitates [3+2] Annulation of Phenidones with Propiolates

Chemical Communications, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

The study focuses on the development of a mild and efficient [3+2] annulation phenidones with propiolates to access N -substituted indole alkylamides by merging electrochemistry iridium catalysis in an undivided cell at room temperature.

Язык: Английский

---

Reductive cyclodimerization of chalcones: exploring the “self-adaptability” of galvanostatic electrosynthesis

Chemical Communications, Год журнала: 2023, Номер 60(4), С. 404 - 407

Опубликована: Ноя. 28, 2023

The “self-adaptability” of galvanostatic electrolysis was shown to assist a multistage unprecedented chemo- and diastereoselective electrochemically promoted cyclodimerization chalcones.

Язык: Английский

---

A comparative overview of the electrochemical valorization and incorporation of CO₂ in industrially relevant compounds

EES Catalysis, Год журнала: 2024, Номер 2(3), С. 753 - 779

Опубликована: Янв. 1, 2024

This review covers the recent work on electrochemical valorization of CO 2 towards key industrial compounds like carboxylic acids, urea and dimethyl carbonate by combining eCO RR intermediates with other active (in)organic reagents.

Язык: Английский

---

Pioneering Metal‐Free Late‐Stage C‐H Functionalization Using Acridinium Salt Photocatalysis

Chemistry - A European Journal, Год журнала: 2024, Номер 30(67)

Опубликована: Авг. 13, 2024

Abstract Using organic dyes as photocatalysts is an innovative approach to photocatalytic transformations. These offer advantages such widespread availability, adaptable absorption properties, and diverse chemical structures. Recent progress has led the development of that can utilize visible light modify chemically inert C−H bonds. catalysts are sustainable, selective, versatile, enabling mild reactions, late‐stage functionalization, various transformations in line with green chemistry principles. As photoredox chemistry, they contribute efficient environmentally friendly synthetic pathways. Acridinium‐based have proved valuable transformative reactions under conditions. This review emphasizes their features, frameworks, applications modifying complex molecules. It provides overview recent advancements use acridinium‐based for bond functionalization without need transition metals, showcasing potential expedite new molecules igniting excitement about prospects this research field.

Язык: Английский

---

Palladium-Catalyzed Electrochemical C(sp3)–H Acetoxylation of Alcohol Derivatives with an exo-Directing Group

Organic & Biomolecular Chemistry, Год журнала: 2024, Номер 22(37), С. 7696 - 7701

Опубликована: Янв. 1, 2024

Palladium-catalyzed electrochemical C(sp

Язык: Английский

---

In Situ Cu Nanoparticle Deposition on a Graphite Felt Cathode Enabling Diverse Electrochemical Oxidative Functionalization Cyclization of Alkynes

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер unknown

Опубликована: Сен. 16, 2024

Язык: Английский

---