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Carbonyl–Olefin Metathesis [PDF]

open access: yesChemical Reviews, 2021
This Review describes the development of strategies for carbonyl-olefin metathesis reactions relying on stepwise, stoichiometric, or catalytic approaches. A comprehensive overview of currently available methods is provided starting with Paternò-Büchi cycloadditions between carbonyls and alkenes, followed by fragmentation of the resulting oxetanes ...
Jessica L Gómez-López   +2 more
exaly   +4 more sources

Cyclization Strategies in Carbonyl–Olefin Metathesis: An Up-to-Date Review [PDF]

open access: yesMolecules
The metathesis reaction between carbonyl compounds and olefins has emerged as a potent strategy for facilitating swift functional group interconversion and the construction of intricate organic structures through the creation of novel carbon–carbon ...
Xiaoke Zhang
doaj   +2 more sources

Application of Olefin Metathesis in the Synthesis of Carbo- and Heteroaromatic Compounds—Recent Advances [PDF]

open access: yesMolecules, 2023
The olefin metathesis reaction has found numerous applications in organic synthesis. This is due to a number of advantages, such as the tolerance of most functional groups and sterically demanding olefins.
Szymon Rogalski, Cezary Pietraszuk
doaj   +2 more sources

Continuous Additive Manufacturing using Olefin Metathesis [PDF]

open access: yesAdvanced Science, 2022
The development of chemistry is reported to implement selective dual‐wavelength olefin metathesis polymerization for continuous additive manufacturing (AM).
Jeffrey C. Foster   +6 more
doaj   +2 more sources

Testing enabling techniques for olefin metathesis reactions of lipophilic substrates in water as a diluent [PDF]

open access: yesiScience, 2022
Summary: Olefin metathesis reactions of diverse polyfunctional substrates were conducted in water emulsions using two hydrophobic ruthenium catalysts in the presence of air.
Agata Tyszka-Gumkowska   +5 more
doaj   +2 more sources

Protocol for olefin metathesis reactions of hydrophobic substrates performed in aqueous emulsion with mechanical stirring or with microwaves support [PDF]

open access: yesSTAR Protocols, 2022
Summary: In the presented protocol, we describe the olefin metathesis of hydrophobic substrates in water emulsions using ruthenium catalysts in the presence of air.
Agata Tyszka-Gumkowska   +2 more
doaj   +2 more sources

A Review on Olefin Metathesis Reactions as a Green Method for the Synthesis of Organic Compounds

open access: yesJournal of Chemistry, 2021
Olefin metathesis is a metal-mediated C-C bond exchange by which the two fragments within the olefin precursor are redistributed as a result of breaking the double bond to obtain a new product. Currently, most of the synthetic organic compounds, polymers,
Atitegeb Abera Tsedalu
doaj   +1 more source

Research progress in preparation technology of hydroxyl-terminated butadiene liquid rubber

open access: yesHecheng xiangjiao gongye, 2023
The performance characteristics and application fields of hydroxy-terminated polybuta-diene (HTPB) liquid rubber were summarized, the preparation methods and characteristics of HTPB were reviewed with 32 references, and various me-thods were summarized ...
LIU Sheng-nan1,2, AI Chun-jin1,2, ZHANG Ding-jun1,2, LI Dong1,2
doaj   +1 more source

"Progress in preparation of end-group functionalized liquid rubber

open access: yesHecheng xiangjiao gongye, 2022
The preparation of end-group functionalized liquid rubber by olefin metathesis method had the advantages of controllable molecular weight, easy introduction of multiple functional groups and milder reaction conditions.
ZHANG Yi-kai, LI Wei-tian, ZHANG Hua-qiang, RAN Fen, GONG Guang-bi
doaj   +1 more source

Ruthenium Olefin Metathesis Catalysts Featuring N-Heterocyclic Carbene Ligands Tagged with Isonicotinic and 4-(Dimethylamino)benzoic Acid Rests: Evaluation of a Modular Synthetic Strategy

open access: yesMolecules, 2021
A modular and flexible strategy towards the synthesis of N-heterocyclic carbene (NHC) ligands bearing Brønsted base tags has been proposed and then adopted in the preparation of two tagged NHC ligands bearing rests of isonicotinic and 4-(dimethylamino ...
Stefan Czarnocki   +4 more
doaj   +1 more source

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