Ferrocene-Based Porous Organic Polymer (FPOP): Synthesis, Characterization and an Electrochemical Study

Autor: Željko Petrovski, Mateus P. Moreira, Andreia F. M. Santos, Sunny K. S. Freitas, Noémi Jordão, Renata A. Maia, Ana V. M. Nunes, Luis C. Branco, Hugo Cruz, Pierre M. Esteves

Publikováno v: Electrochem, Vol 3, Iss 1, Pp 184-197 (2022)

Ferrocene-based porous organic polymers (FPOPs) were prepared from phenol-formaldehyde polymer (Bakelite) and phenol as starting materials; and two possible mechanisms for polymerization were discussed. Solid-state 13C CP-MAS NMR, FTIR, powder XRD, e

Externí odkaz: https://doaj.org/article/9ddce14145294661b4dd325fa9deeced

Diastereoselectivity Switch During Alkene Reductions: Diastereodivergent Syntheses of Molecular Fossils via MHAT or Homogeneous Catalytic Hydrogenation Reactions

Autor: Christian R. S. Maior, Paulo C. S. Costa, Carolina B. P. Ligiéro, Lygia S. de Moraes, Gustavo R. Sousa, Sidney G. Lima, Pierre M. Esteves, Paulo C. M. L. Miranda

Publikováno v: Chemistry – A European Journal. 29

Sixteen geosterane derivatives were synthesized in up to 57 % overall yields in four steps harnessing the olefin cross-metathesis (OCM) and Metal hydride H atom transfer (MHAT) or homogeneous hydrogenation reactions as key steps. Drawing on this stra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca7f389867a2e247415ea25cf3766000
https://doi.org/10.1002/chem.202203731

CO 2 Capture by Hydroxylated Azine‐Based Covalent Organic Frameworks

Autor: Benoit Louis, Vincent Ritleng, Renata A. Maia, Felipe L. Oliveira, Pierre M. Esteves, Qiang Wang

Publikováno v: Chemistry-A European Journal
Chemistry-A European Journal, 2021, 27 (30), pp.8048-8055. ⟨10.1002/chem.202100478⟩
Chemistry-A European Journal, Wiley-VCH Verlag, 2021, 27 (30), pp.8048-8055. ⟨10.1002/chem.202100478⟩

International audience; Covalent Organic Frameworks RIO-13, RIO-12, RIO-11, and RIO-11m were investigated towards their CO2 capture properties by thermogravimetric analysis at 1 atm and 40 °C. These microporous COFs bear in common the azine backbone

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f9aede12062444bf96b8ce98e389a4c
https://doi.org/10.1002/chem.202100478

Small-angle X-ray scattering as a multifaceted tool for structural characterization of covalent organic frameworks

Autor: Pierre M. Esteves, Ana Maria Percebom, Renata A. Maia, Leonardo S. A. Carneiro, Camilla D. Buarque, Jhonny M. C. Cifuentes

Publikováno v: Journal of Applied Crystallography. 53:1376-1386

Small-angle X-ray scattering (SAXS) is an accurate nondestructive method that requires a minimum of sample preparation and is employed to study porosity, morphology and hierarchical structures. Zeolites and silica are among the porous materials that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed4ffee4157c8c0e029a46c0857f8064
https://doi.org/10.1107/s1600576720011553

Enzyme‐Decorated Covalent Organic Frameworks as Nanoporous Platforms for Heterogeneous Biocatalysis

Autor: Stefania P. de Souza, Rodrigo O. M. A. de Souza, Jonathan Bassut, Yunier Garcia-Basabe, Pierre M. Esteves, Felipe L. Oliveira, Heiddy M. Alvarez, Raoni Schroeder B. Gonçalves

Publikováno v: Chemistry – A European Journal. 25:15863-15870

Sustainability in chemistry heavily relies on heterogeneous catalysis. Enzymes, the main catalyst for biochemical reactions in nature, are an elegant choice to catalyze reactions due to their high activity and selectivity, although they usually suffe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acff84df4f9c50d44e6647d841953dbe
https://doi.org/10.1002/chem.201903807