Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Margarida M. Antunes"'
Autor:
Kai Skrodczky, Margarida M. Antunes, Qingjun Zhu, Anabela A. Valente, Nicola Pinna, Patrícia A. Russo
Publikováno v:
Nanomaterials, Vol 13, Iss 23, p 3046 (2023)
The integration of metal oxide nanomaterials with mesoporous silica is a promising approach to exploiting the advantages of both types of materials. Traditional synthesis methods typically require multiple steps. This work instead presents a fast, on
Externí odkaz:
https://doaj.org/article/6d44d46ab18b47e19bd186db19ed4167
Autor:
Margarida M. Antunes, Andreia F. Silva, Auguste Fernandes, Filipa Ribeiro, Patrícia Neves, Martyn Pillinger, Anabela A. Valente
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
The biomass-derived platform chemicals furfural and 5-(hydroxymethyl)furfural (HMF) may be converted to α-angelica lactone (AnL) and levulinic acid (LA). Presently, LA (synthesized from carbohydrates) has several multinational market players. Attrac
Externí odkaz:
https://doaj.org/article/516886b54b394936998503bd1546f74e
Autor:
Željko Petrovski, Margarida M. Antunes, Ana Soraia Mendo, Luís Cabrita, Isabel S. Gonçalves, Anabela A. Valente, Luís C. Branco
Publikováno v:
Reactions, Vol 1, Iss 2, Pp 147-161 (2020)
Ionic oxidoperoxido-molybdenum(VI) complexes of the type [Cat][MoO(O2)2(pic)], with pic = N,O-chelated picolinate ligand and Cat = monocation, were prepared in high yields (82–95%) from the precursor complex [H3O][MoO(O2)2(pic)] via [H]+ cation exc
Externí odkaz:
https://doaj.org/article/c078902aae5e45ba910b0998d4f39db5
Autor:
Diana M. Gomes, Patrícia Neves, Margarida M. Antunes, António J. S. Fernandes, Martyn Pillinger, Anabela A. Valente
Publikováno v:
Catalysts, Vol 12, Iss 12, p 1513 (2022)
Olefin epoxidation is an important transformation for the chemical valorization of olefins, which may derive from renewable sources or domestic/industrial waste. Different post-synthesis strategies were employed to introduce molybdenum species into m
Externí odkaz:
https://doaj.org/article/a63e8a74f3274ddb855921bdb7bf3b85
Autor:
Margarida M. Antunes, Andreia F. Silva, Carolina D. Bernardino, Auguste Fernandes, Filipa Ribeiro, Anabela A. Valente
Publikováno v:
Molecules, Vol 26, Iss 23, p 7203 (2021)
Heterogeneous catalysis, which has served well the petrochemical industry, may valuably contribute towards a bio-based economy by sustainably enabling selective reactions to renewable chemicals. Carbohydrate-containing matter may be obtained from var
Externí odkaz:
https://doaj.org/article/a58d5b9e78a34d648a165ccc9f4923c5
Versatile Coordination Polymer Catalyst for Acid Reactions Involving Biobased Heterocyclic Chemicals
Publikováno v:
Catalysts, Vol 11, Iss 2, p 190 (2021)
The chemical valorization/repurposing of biomass-derived chemicals contributes to a biobased economy. Furfural (Fur) is a recognized platform chemical produced from renewable lignocellulosic biomass, and furfuryl alcohol (FA) is its most important ap
Externí odkaz:
https://doaj.org/article/fda90fa27f9843659050e9e743053e4e
Publikováno v:
Molecules, Vol 17, Iss 4, Pp 3690-3707 (2012)
Micro/mesoporous chromium, aluminium-containing silicates of the type TUD-1 (Al-TUD-1, Cr-TUD-1, CrAl-TUD-1) and zeolite BEA, Cr-BEA, and related composites BEA/TUD-1 and Cr-BEA/TUD-1, were prepared, characterised, and tested as solid acids coupled w
Externí odkaz:
https://doaj.org/article/61fb6a28166e46818d362dbb20eef7e4
Autor:
Sérgio Lima, Margarida M. Antunes, Auguste Fernandes, Martyn Pillinger, Maria Filipa Ribeiro, Anabela A. Valente
Publikováno v:
Molecules, Vol 15, Iss 6, Pp 3863-3877 (2010)
The one-pot acid-catalysed conversion of mono/di/polysaccharides (inulin, xylan, cellobiose, sucrose, glucose, fructose, xylose) into 2-furfuraldehyde (FUR) or 5-hydroxymethylfurfural (HMF) in the presence of aluminium-containing mesoporous TUD-1 (de
Externí odkaz:
https://doaj.org/article/bbe18536e0a0483382afac80dd21f62a
Autor:
Margarida M. Antunes, Andreia F. Silva, Auguste Fernandes, Martyn Pillinger, Filipa Ribeiro, Anabela A. Valente
Publikováno v:
Journal of Catalysis. 406:56-71
Different renewable bio-based routes leading to the versatile bioproduct c-valerolactone (GVL) were studied in integrated fashions, starting from furfural (Fur), a-angelica lactone (AnL) and levulinic acid (LA), in the presence of multifunctional haf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7176734e418c000edd2d70a518329aaf
https://doi.org/10.1016/j.jcat.2021.12.022
https://doi.org/10.1016/j.jcat.2021.12.022
The selective chemical conversion of biomass components to useful bioproducts may contribute to a renewable resource-based economy. The selective production of target bioproducts may be accomplished using heterogeneous catalysts operating under relat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c109c3afd2362ffb6f8fd5220efe3b74
http://hdl.handle.net/10773/37627
http://hdl.handle.net/10773/37627
