Results 21 to 30 of about 26,006 (279)
Angewandte Chemie, EarlyView.A catalytic network embedding a formal rearrangement enables the first catalytic enantioselective multicomponent reaction (MCR) of sulfur ylides. In the presence of a bulky chiral phosphoric acid, the reaction combines sulfoxonium ylides, aldehydes and thiols, and affords synthetically versatile β‐hydroxy‐α‐sulfanyl carbonyl compounds in ...
Nicolò Santarelli +10 more
wiley +2 more sources
Micro & Nano Letters, 2021 A peroxo polyoxometalate‐based catalyst was synthesized, characterized, and employed as a catalyst in the epoxidation of olefins with hydrogen peroxide (H2O2).
Jinghui Wu +5 more
doaj +1 more source
Engineering Collariella virescens Peroxygenase for Epoxides Production from Vegetable Oil
Antioxidants, 2022 Vegetable oils are valuable renewable resources for the production of bio-based chemicals and intermediates, including reactive epoxides of industrial interest.
Dolores Linde +5 more
doaj +1 more source
Epoxidation of soybean oil by conventional and non-conventional methods [PDF]
, 2022 Epoxidated oils are very interesting for its application as bio-lubricants, plasticizers or intermediates. In this thesis, a study on the epoxidation of soybean oil by conventional and non-conventional methods is presented.
Piccolo, Damiano
core
Catalytic Functionalization of Unactivated π‐Bonds Enabled by Bidentate Directing Auxiliaries
Angewandte Chemie, EarlyView.This review explores how bidentate directing auxiliaries have advanced transition‐metal catalysis for unactivated alkene/alkyne functionalization. By leveraging chelated intermediates, bidentate directing auxiliaries enable precise hydrofunctionalization, difunctionalization, and C─H activation of π‐bonds with unique selectivity and reactivity.
Seunghyeon Cho +4 more
wiley +2 more sources
Kinetics of the Epoxidation of Geraniol and Model Systems by Dimethyldioxirane
Molecules, 2004 The mono-epoxidation of geraniol by dimethyldioxirane was carried out invarious solvents. In all cases, the product ratios for the 2,3 and 6,7 mono-epoxides werein agreement with literature values.
B. S. Crow +3 more
doaj +1 more source
Epoxidation of Terminalia catappa L. Seed oil: Optimization reaction
South African Journal of Chemical Engineering, 2023 Unsaturated fatty acids contained in vegetable oils can be used as a raw material to produce epoxy through epoxidation reactions. This study aims to obtain the optimum conditions for the epoxidation reaction of Terminalia catappa L. (local name “ketapang”
Erin Ryantin Gunawan +4 more
doaj +1 more source
, 2020 Unlike the excellent (S)-enantioselective epoxidation of styrene performed by natural styrene monooxygenase (ee >99%), the (R)-enantioselective epoxidation of styrene has not yet achieved a comparable efficiency using natural or engineered oxidative ...
Zhiqi, Cong +9 more
core +1 more source
Angewandte Chemie, EarlyView.Epoxide monomers undergo base‐catalyzed ring‐opening copolymerization with elemental sulfur to afford sulfur‐rich polymers under mild conditions. The resulting materials exhibit excellent mechanical performance, strong adhesion (up to 10 MPa on stainless steel), and outstanding reprocessability.
Pan Yang +5 more
wiley +2 more sources
Epoxidation of Methyl Esters as Valuable Biomolecules: Monitoring of Reaction
Molecules, 2023 The paper is focused on the epoxidation of methyl esters prepared from oil crops with various profiles of higher fatty acids, especially unsaturated, which are mainly contained in the non-edible linseed and Camelina sativa oil (second generation).
Martin Hájek +4 more
doaj +1 more source