Zobrazeno 1 - 10
of 22
pro vyhledávání: '"António P. S. Teixeira"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 1623-1634 (2024)
A new paradigm for energy is underway demanding decarbonized energy systems. Some of them rely on emerging electrochemical devices, crucial in hydrogen technologies, including fuel cells, CO2 and water electrolysers, whose applications and performanc
Externí odkaz:
https://doaj.org/article/835b87df908e4d6bba8e82e4e142c7d2
Publikováno v:
Heterocycles. :215-275
Autor:
Marina Costa, Elisabete P. Carreiro, Cesar M. C. Filho, Mara Silva, Isabel Gonçalves, Esmar F. Souza, António P. S. Teixeira, Alexandre Craveiro, Anthony J. Burke
Publikováno v:
ChemistrySelect. 8
Autor:
M. João M. Curto, Fátima C. Teixeira, Inês Antunes, M. Teresa Duarte, António P. S. Teixeira, Vânia André
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Indazole is known as an important structural motif in medicinal chemistry and, recently, has also gained attention in other areas, such as materials chemistry, with many studies showing different potential applications for their regioisomers. Phospho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e75060fc4fe3e17c7d0b2aae2b94687d
Autor:
Ana I. de Sá, Inmaculada Ortiz, Víctor Manuel Ortiz-Martínez, Alfredo Ortiz, António P. S. Teixeira, Fátima C. Teixeira, Carmen M. Rangel
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
Proton exchange membranes remain a crucial material and a key challenge to fuel cell science and technology. In this work, new Nafion membranes are prepared by a casting method using aryl- or azaheteroaromatic bisphosphonate compounds as dopants. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa6950aa247bb1d6b1d4ae4c210b3c63
Autor:
M. João M. Curto, Fátima C. Teixeira, Carla Lucas, M. Teresa Duarte, Vânia André, António P. S. Teixeira
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Novel pyrazolo[3,4-b]quinoline alpha-ketophosphonic and hydroxymethylenebisphosphonic acid compounds were synthesized using different methodologies, starting from 2-chloro-3-formylquinoline 1. New phosphonic acid compounds were obtained as N-1 deriva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7470d1b7e2a4e3a1c7d1b2eb37452828
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
Fuel cells are among the cleaner alternatives of sustainable energy technologies, where their proton exchange membranes continue to be a key component with many challenges and opportunities ahead. In this study, different indazole- and benzotriazoleb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20b332936d867af603981a6bca951fea
https://hdl.handle.net/10400.9/3199
https://hdl.handle.net/10400.9/3199
Autor:
M. João M. Curto, Carla Lucas, Fátima C. Teixeira, António P. S. Teixeira, M. Teresa Duarte, Vânia André
Publikováno v:
Heteroatom Chemistry. 27:3-11
Novel tetraethyl ethylene-1,1-bisphosphonate esters derived from 1H-indazole, 1H-pyrazolo[3,4-b]pyridine, and 1H-pyrazolo[3,4-b]quinoline were synthesized by a Michael addition reaction of tetraethyl ethylidene-1,1-bisphosphonate with the correspondi
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
The fuel cells are electrochemical devices that convert the chemical energy stored in a fuel, directly and efficiently into electrical energy. Among the fuel cells, the proton exchange membrane fuel cells (PEMFCs) are considered promising power sourc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88afa6bff7b3e039b750e04558030331
https://hdl.handle.net/10400.9/3120
https://hdl.handle.net/10400.9/3120
Publikováno v:
Heteroatom Chemistry. 26:236-248
Herein we present the synthesis and characterization of new phosphonate-, bisphosphonate- and hydroxybisphosphonatebenzimidazole derivatives substituted at the N-1 position and new regioisomers phosphonate-, bisphosphonate-, and hydroxybisphosphonate