Basketing nanopalladium into calix[4]pyrrole as an efficient catalyst for Mizoroki-Heck reaction
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2016.06.019
Abstract: Abstract An approach to synthesize calix[4]pyrrole protected palladium nanoparticles (PdNPs) employed for catalytic Mizoroki-Heck C-C coupling reaction is reported. The nanoparticles are synthesized in water using novel calix[4]pyrrole tetrahydrazide (CPTH) as a reducing as well… read more here.
Keywords: heck; calix pyrrole; reaction; mizoroki heck ... See more keywords
An efficient chitosan-derived carbon/silica microspheres supported Pd catalyst with high stability for Heck reactions.
Sign Up to like & getrecommendations! Published in 2017 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.07.052
Abstract: To maintain stability and activity in Heck-coupling reaction, a novel composite carrier with controllable uniform size, high complex ability and mechanical intensity was fabricated in microchannel using natural N-doped biomolecule chitosan and silica as ingredients.… read more here.
Keywords: efficient chitosan; derived carbon; silica; chitosan derived ... See more keywords
Amidoxime modified PAN supported palladium complex: A greener and efficient heterogeneous catalyst for heck reaction
Sign Up to like & getrecommendations! Published in 2020 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2019.119305
Abstract: Abstract Development of a facile and greener approach for Heck reaction using a modified PAN supported palladium catalyst is described. The preparation of the catalyst involves a simple process through amidoxime modification of nitrile group… read more here.
Keywords: palladium complex; supported palladium; reaction; heck ... See more keywords
HOTf-Catalyzed Alkyl-Heck-type Reaction
Sign Up to like & getrecommendations! Published in 2018 at "iScience"
DOI: 10.1016/j.isci.2018.04.020
Abstract: Summary The Heck reaction, along with other cross-coupling reactions, led to a revolution in organic chemistry. In the last 50 years, metal-catalyzed, photo-induced, or base-mediated Heck and Heck-type reactions have been elegantly developed. Brønsted acid-catalyzed… read more here.
Keywords: heck type; type reaction; heck; hotf catalyzed ... See more keywords
Domino [Pd]-Catalysis: Heck followed by decarboxylative Sonogashira couplings under microwave irradiation in aqueous medium
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2019.03.015
Abstract: Abstract A copper free [Pd]-catalyzed domino intramolecular Heck and intermolecular decarboxylative Sonogashira couplings, for the synthesis of alkyne bearing heterocyclic compounds with a quaternary carbon atom, is described. Notably, this dual bond forming strategy is… read more here.
Keywords: heck; sonogashira couplings; decarboxylative sonogashira; domino ... See more keywords
DFT perspective on the selectivity and mechanism of ligand-free Heck reaction involving allylic esters and arenediazonium salts
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2019.05.023
Abstract: Abstract A density functional theory (DFT) study has been carried out with respect to the cationic and neutral mechanism of ligand-free Heck-Matsuda cross-coupling reaction involving allylic esters and arenediazonium salts. Full Heck-Matsuda (HM) catalytic cycles… read more here.
Keywords: mechanism ligand; ligand free; heck; reaction ... See more keywords
First Cp*Co(III)-catalyzed Mizoroki-Heck coupling reactions of alkenes and aryl bromide/iodide
Sign Up to like & getrecommendations! Published in 2019 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2019.151283
Abstract: Abstract A Cp*Co(CO)I2 catalyzed Mizoroki-Heck coupling of alkenes and aryl halide is established at feasible reaction conditions. The Cp*Co(III) catalyst excellently work to couple the aryl iodide and alkene, and produce up to 94% yield… read more here.
Keywords: catalyzed mizoroki; heck coupling; alkenes aryl; heck ... See more keywords
Aromatic π-Components for Enantioselective Heck Reactions and Heck/Anion-Capture Domino Sequences.
Sign Up to like & getrecommendations! Published in 2022 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.1c00781
Abstract: ConspectusOlefin functionalization represents one of the most important synthetic transformations in organic synthesis. Over the past decades, palladium-catalyzed enantioselective Heck reactions, and Heck/anion-capture domino sequences through olefin carbopalladation followed by termination of the resulting alkyl-Pd… read more here.
Keywords: heck; anion capture; heck anion; enantioselective heck ... See more keywords
What the Heck?—Automated Regioselectivity Calculations of Palladium-Catalyzed Heck Reactions Using Quantum Chemistry
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c06378
Abstract: We present a quantum chemistry (QM)-based method that computes the relative energies of intermediates in the Heck reaction that relate to the regioselective reaction outcome: branched (α), linear (β), or a mix of the two.… read more here.
Keywords: heck; quantum chemistry; heck automated; reaction ... See more keywords
Excited-State Palladium-Catalyzed Radical Migratory Mizoroki-Heck Reaction Enables C2-Alkenylation of Carbohydrates.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c13299
Abstract: Excited-state palladium catalysis has emerged as a promising strategy for developing novel and valuable reactions. Herein, we report the first excited-state Pd-catalyzed 1,2-radical migratory Mizoroki-Heck reaction that enables C2-alkenylation of carbohydrates using readily available 1-bromosugars… read more here.
Keywords: heck; reaction; catalyzed radical; state palladium ... See more keywords
Domino Sequences Involving Stereoselective Hydrazone-Type Heck Reaction and Denitrogenative [1,5]-Sigmatropic Rearrangement.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.3c01075
Abstract: Although the Heck reactions of alkene partners with various electrophiles have achieved great success, the variant focused on carbon═heteroatom counterparts still remains elusive. Herein, we report a Pd(0)-catalyzed asymmetric intramolecular hydrazone-type Heck reaction of N-[(Z)-3-iodoallyl]-aminoacetaldehyde… read more here.
Keywords: heck; heck reaction; hydrazone; denitrogenative sigmatropic ... See more keywords