Zobrazeno 1 - 10
of 155
pro vyhledávání: '"R Ascenso"'
Autor:
Alexandre S. Miranda, Paula M. Marcos, José R. Ascenso, Mário N. Berberan-Santos, Filipe Menezes
Publikováno v:
Molecules, Vol 29, Iss 8, p 1892 (2024)
In the original publication [...]
Externí odkaz:
https://doaj.org/article/0146daa5ffdb4e65abc45afc2037a834
Autor:
Alexandre S. Miranda, Paula M. Marcos, José R. Ascenso, Mário N. Berberan-Santos, Peter J. Cragg, Rachel Schurhammer, Christophe Gourlaouen
Publikováno v:
Molecules, Vol 28, Iss 7, p 3052 (2023)
The binding behaviour of two ureido-hexahomotrioxacalix[3]arene derivatives bearing naphthyl (1) and pyrenyl (2) fluorogenic units at the lower rim towards selected nitroaromatic compounds (NACs) was evaluated. Their affinity, or lack of it, was dete
Externí odkaz:
https://doaj.org/article/8911d04c4b7c4d0caa6d2fb965f799da
Autor:
Alexandre S. Miranda, Paula M. Marcos, José R. Ascenso, Mário N. Berberan-Santos, Filipe Menezes
Publikováno v:
Molecules, Vol 27, Iss 10, p 3247 (2022)
Fluorescent receptors (4a–4c) based on (thio)ureido-functionalized hexahomotrioxacalix[3]arenes were synthesised and obtained in the partial cone conformation in solution. Naphthyl or pyrenyl fluorogenic units were introduced at the lower rim of th
Externí odkaz:
https://doaj.org/article/0ce3d3b6aced4e968f16767d35fbf938
Autor:
Alexandre S. Miranda, Defne Serbetci, Paula M. Marcos, José R. Ascenso, Mário N. Berberan-Santos, Neal Hickey, Silvano Geremia
Publikováno v:
Frontiers in Chemistry, Vol 7 (2019)
Two bidentate dihomooxacalix[4]arene receptors bearing phenylurea moieties substituted with electron-withdrawing groups at the lower rim via a butyl spacer (CF3-Phurea 5b and NO2 Phurea 5c) were obtained in the cone conformation in solution, as shown
Externí odkaz:
https://doaj.org/article/70de3ab7b1424993b1fdae4e6303f48a
Autor:
Alexandre S. Miranda, Paula M. Marcos, José R. Ascenso, M. Paula Robalo, Vasco D. B. Bonifácio, Mário N. Berberan-Santos, Neal Hickey, Silvano Geremia
Publikováno v:
Molecules, Vol 26, Iss 6, p 1503 (2021)
Direct O-alkylation of p-tert-butyldihomooxacalix[4]arene (1) with N-(bromopropyl)- or N-(bromoethyl)phthalimides and K2CO3 in acetonitrile was conducted under conventional heating (reflux) and using microwave irradiation and ball milling methodologi
Externí odkaz:
https://doaj.org/article/a08dfaf4c250446981896f9f6e03c46e
Autor:
Leonor Maria, Nuno A. G. Bandeira, Joaquim Marçalo, Isabel C. Santos, Ana S. D. Ferreira, José R. Ascenso
Publikováno v:
Inorganic Chemistry. 61:346-356
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::636a68d13984622ca59bbac33a6d6a57
https://doi.org/10.1021/acs.inorgchem.1c02934
https://doi.org/10.1021/acs.inorgchem.1c02934
Autor:
Alexandre S. Miranda, Paula M. Marcos, José R. Ascenso, Mário N. Berberan-Santos, Rachel Schurhammer, Neal Hickey, Silvano Geremia
Publikováno v:
Molecules, Vol 25, Iss 20, p 4708 (2020)
Fluorescent dihomooxacalix[4]arene-based receptors 5a–5c, bearing two naphthyl(thio)ureido groups at the lower rim via a butyl spacer, were synthesised and obtained in the cone conformation in solution. The X-ray crystal structures of 1,3- (5a) and
Externí odkaz:
https://doaj.org/article/6d9aefd3223c4ca5838d1535c0950ec4
Autor:
Peter J. Cragg, Filipa Teixeira, Neal Hickey, José R. Ascenso, Paula M. Marcos, Silvano Geremia
Publikováno v:
European Journal of Organic Chemistry. 2020:1930-1940
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cef1cd82fe452c533b58870cd5c1d62d
https://doi.org/10.1002/ejoc.201901888
https://doi.org/10.1002/ejoc.201901888
Publikováno v:
New Journal of Chemistry. 44:2206-2209
Abiotic synthesis of ribonucleotides, mainly at the 5′ position, from the corresponding ribonucleosides within self-assembled supramolecular structures, based on guanosine:borate hydrogels, was carried out in the temperature range of 70–90 °C, u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5e04d1b63dfe1081d082341afabc00b
https://doi.org/10.1039/c9nj05601g
https://doi.org/10.1039/c9nj05601g
Autor:
R Vardasca, R Ascenso
Publikováno v:
Proceedings of the 2022 International Conference on Quantitative InfraRed Thermography.
The diagnostic of pathological states using thermal images rely in quantitative simple indicators such as thermal symmetry values. It is the aim of this research to investigate whether the thermal symmetry definition is enough to discriminate between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a74378416a4473b3216da8e5f179445
https://doi.org/10.21611/qirt.2022.3025
https://doi.org/10.21611/qirt.2022.3025