Výsledky vyhledávání - "Barbara A. Messerle"

The effect of the C5-substituent on regioselectivity in the Rh(i)-catalyzed intermolecular transannulation of 1,2,3-thiadiazoles with phenylacetylene

Autor: Marina A. Tokareva, Indrek Pernik, Barbara A. Messerle, Tatiana V. Glukhareva, Sinead T. Keaveney

Publikováno v: Catalysis Science & Technology. 13:2772-2782

The nature of the C5-substituent on the 1,2,3-thiadiazole ring has a remarkable effect on regioselectivity of the intermolecular transannulation of thiadiazole substrates with phenylacetylene leading to different thiophene regioisomers.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7974de0df397d4b9c31ca3711aa40f0
https://doi.org/10.1039/d3cy00290j

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Engineering regioselectivity in the hydrosilylation of alkynes using heterobimetallic dual-functional hybrid catalysts

Autor: J. Justin Gooding, Vinicius R. Gonçales, Sinead T. Keaveney, Shreedhar Gautam, James E. Downes, Jiaxin Lian, Barbara A. Messerle, Max Roemer

Publikováno v: Catalysis Science & Technology. 12:226-236

The synthesis and characterization of carbon black supported rhodium and iridium heterobimetallic catalysts, termed hybrid catalysts, and their application in the hydrosilylation of alkynes is described. An aryl diazonium grafting procedure was appli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e6ac038a4bf3724e3115d66d9f84ebd
https://doi.org/10.1039/d1cy01804c

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Carbon supported hybrid catalysts for controlled product selectivity in the hydrosilylation of alkynes

Autor: Indrek Pernik, Sinead T. Keaveney, J. Justin Gooding, Vinicius R. Gonçales, Barbara A. Messerle, Max Roemer, James E. Downes, Jiaxin Lian

Publikováno v: Catalysis Science & Technology. 11:1888-1898

A series of Rh- and Ir-hybrid catalysts with varying tether lengths has been prepared by immobilization of RhI, RhIII and IrIII complexes on carbon black via radical grafting. The performance of the different catalysts was assessed for the hydrosilyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::745bb72561a9f63e59900073352be332
https://doi.org/10.1039/d0cy02136a

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Selective formylation or methylation of amines using carbon dioxide catalysed by a rhodium perimidine-based NHC complex

Autor: Raphael H. Lam, Caitlin M. A. McQueen, Roy T. McBurney, Anthony F. Hill, Indrek Pernik, Barbara A. Messerle

Publikováno v: Green Chemistry. 21:538-549

Carbon dioxide can play a vital role as a sustainable feedstock for chemical synthesis. To be viable, the employed protocol should be as mild as possible. Herein we report a methodology to incorporate CO2 into primary, secondary, aromatic or alkyl am

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cf1bd458af356bd4b9a9c548aea7e97
https://doi.org/10.1039/c8gc03094d

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Simple and reactive Ir(i) N-heterocyclic carbene complexes for alkyne activation

Autor: Barbara A. Messerle, Joshua A. Tompsett, Indrek Pernik, Samantha C. Binding, Matthew B. Peterson, Mark R. D. Gatus

Publikováno v: Dalton Transactions. 48:4333-4340

Two simple unsymmetrical monometallic Ir(i) complexes with an N-heterocyclic carbene ligand and an analogous bimetallic Ir(i) complex were synthesised. These complexes were found to be extremely active catalysts for a range of C-X (X = N or O) and Si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89b9d723b505dbd7cca36ca53a899580
https://doi.org/10.1039/c9dt00313d

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Dendrimeric and Corresponding Monometallic Iridium(III) Catalysts Bound to Carbon Nanotubes Used in Hydroamination Transformations

Autor: Barbara A. Messerle, Indrek Pernik, Antonin Desmecht, Olivier Riant, Sophie Hermans

Publikováno v: European Journal of Inorganic Chemistry, (2021)

This report describes the synthesis of a carbon nanotube-bound dendrimer and three carbon nanotube-bound monometallic complexes and their use as catalysts. The polyamidoamine third generation dendrimer used here incorporates pyrazole-triazole moietie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de58961a788f37f967c8dbcbc5035936
https://hdl.handle.net/2078.1/250355

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