Dual Catalysis Strategies in Photochemical Synthesis
2016年4月25日 · This Review summarizes dual-catalyst strategies that have been applied to synthetic photochemistry. Mechanistically distinct modes of photocatalysis are discussed, including photoinduced electron transfer, hydrogen atom transfer, and energy transfer.
One-pot catalytic conversion of polyethylene wastes to gasoline …
2024年11月6日 · Here, we report a one-pot, dual-catalyst system for efficient conversion of PE into gasoline without the need for noble-metal catalysts, external hydrogen, or solvents. A gasoline yield of up to 87% is achieved over a dual-catalyst system comprising WZr-KIT-6 and HZSM-5 at 240°C.
C3N4-H5PMo10V2O40: a dual-catalysis system for reductant …
2014年1月13日 · Here we report a dual-catalysis non-noble metal system by simultaneously using graphitic carbon nitride (C 3 N 4) and Keggin-type polyoxometalate H 5 PMo 10 V 2 O 40 (PMoV 2) as catalysts,...
A Widely Applicable Dual Catalytic System for Cross-Electrophile ...
2020年9月29日 · A dual catalytic system for cross-electrophile coupling reactions between aryl halides and alkyl halides that features a Ni catalyst, a Co cocatalyst, and a mild homogeneous reductant is described. Mechanistic studies indicate that the Ni catalyst activates the aryl halide, while the Co cocatalyst activates the alkyl halide.
Dual Catalysis: European Journal of Organic Chemistry
2021年8月5日 · Dual catalysis is one of the most powerful strategies for the development of chemical reactions in organic synthesis. This Perspective aims to introduce the different categories of dual catalytic systems and demonstrate their benefits in constructing new chemical bonds and enhanced stereoselectivity.
Dual-catalytic transition metal systems for functionalization of ...
2019年1月7日 · Here we report dual-catalytic transition metal systems that merge a reversible activation cycle with a functionalization cycle, which together enable the functionalization of substrates at...
Dual Catalysis in Organic Synthesis: Current Challenges and New …
2022年12月9日 · Dual catalysis is one of the most powerful strategies for the development of chemical reactions in organic synthesis. This strategy can be divided into cooperative catalysis, relay catalysis, and sequential catalysis according to the actual mode of operation and the communication between the catalysts.
A Dual-Catalysis Approach to Enantioselective [2 + 2 ... - Science
2014年4月25日 · Here, we describe a strategy for eliminating the racemic background reaction in asymmetric [2 + 2] photocycloadditions of α,β-unsaturated ketones to the corresponding cyclobutanes by using a dual-catalyst system consisting of a visible light–absorbing transition-metal photocatalyst and a stereocontrolling Lewis acid cocatalyst.
Stereodivergent dual catalysis in organic synthesis - Cell Press
2024年10月24日 · Stereodivergent dual catalysis represents an innovative approach in asymmetric synthesis, enabling the selective formation of multiple stereoisomers from a set of same starting material through the joint action of two distinct catalysts, either synchronously or asynchronously.
Stereodivergent dual catalysis in organic synthesis
2024年11月1日 · Stereodivergent dual catalysis represents an innovative approach in asymmetric synthesis, enabling the selective formation of multiple stereoisomers from a set of same starting material through the joint action of two distinct catalysts, either synchronously or asynchronously.