Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Paulo M. Costa"'
Autor:
Alcina M. M. B. Morais, Decha Kumla, Valter F. R. Martins, Ana Alves, Luis Gales, Artur M. S. Silva, Paulo M. Costa, Sharad Mistry, Anake Kijjoa, Rui M. S. C. Morais
Publikováno v:
Molecules, Vol 29, Iss 21, p 5175 (2024)
Two monoterpenoid lactones, loliolide (1) and epi-loliolide (2), were isolated from the crude dichloromethane extract of a microalga, Thalassiosira sp.). The structures of loliolide (1) and epi-loliolide (2) were elucidated by 1D and 2D NMR analysis,
Externí odkaz:
https://doaj.org/article/82e9fd54f2f64373a6998036dac61660
Autor:
Fátima P. Machado, Inês C. Rodrigues, Aikaterini Georgopolou, Luís Gales, José A. Pereira, Paulo M. Costa, Sharad Mistry, Salar Hafez Ghoran, Artur M. S. Silva, Tida Dethoup, Emília Sousa, Anake Kijjoa
Publikováno v:
Marine Drugs, Vol 21, Iss 3, p 194 (2023)
An undescribed hybrid phenalenone dimer, talaropinophilone (3), an unreported azaphilone, 7-epi-pinazaphilone B (4), an unreported phthalide dimer, talaropinophilide (6), and an undescribed 9R,15S-dihydroxy-ergosta-4,6,8 (14)-tetraen-3-one (7) were i
Externí odkaz:
https://doaj.org/article/eba2cccf15af484b864372c28185fe7a
Autor:
Fátima P. Machado, Inês C. Rodrigues, Luís Gales, José A. Pereira, Paulo M. Costa, Tida Dethoup, Sharad Mistry, Artur M. S. Silva, Vitor Vasconcelos, Anake Kijjoa
Publikováno v:
Marine Drugs, Vol 20, Iss 11, p 672 (2022)
An unreported isocoumarin, (3S,4R)-4-hydroxy-6-methoxymellein (2), an undescribed propylpyridinium anthraquinone (4), and an unreported C-glucosyl resorcinol derivative, acetyl carnemycin E (5c), were isolated, together with eight previously reported
Externí odkaz:
https://doaj.org/article/c65fb4b6997b4a8eb6de58c7c3a1efcf
Autor:
Joana D. M. de Sá, José A. Pereira, Tida Dethoup, Honorina Cidade, Maria Emília Sousa, Inês C. Rodrigues, Paulo M. Costa, Sharad Mistry, Artur M. S. Silva, Anake Kijjoa
Publikováno v:
Marine Drugs, Vol 19, Iss 8, p 457 (2021)
Previously unreported anthraquinone, acetylpenipurdin A (4), biphenyl ether, neospinosic acid (6), dibenzodioxepinone, and spinolactone (7) were isolated, together with (R)-6-hydroxymellein (1), penipurdin A (2), acetylquestinol (3), tenellic acid C
Externí odkaz:
https://doaj.org/article/dcf1d346c4754f9f89142458ed7538d5
Autor:
Nuno Carvalho, André Barros, Hélder O. Coelho, Catarina F. Moita, Ana Neves-Costa, Dora Pedroso, Filipe C. Borges, Luís F. Moita, Paulo M. Costa
Publikováno v:
Mediators of Inflammation, Vol 2019 (2019)
Acute appendicitis is the most frequent surgical abdominal emergency, but its etiology remains poorly understood. Histological examination of the appendix, following its removal due to acute appendicitis, consistently shows features in common with br
Externí odkaz:
https://doaj.org/article/b81f8046ed034950a41a30c04247d619
Autor:
Lúcio Sousa, Paulo M. Costa
Publikováno v:
Refuge, Vol 34, Iss 2 (2018)
This article examines the development of the legislation on asylum law and refugee policies in Portugal. The assessment begins in 1975, the year when democracy was re-established in the country, following the 1974 Carnation Revolution, and ends in 20
Externí odkaz:
https://doaj.org/article/194d311ae3354de781590a24fc400b55
Autor:
Susawat Duangsrisai, Kiattawee Choowongkomon, Lucinda J. Bessa, Paulo M. Costa, Nurmuhammat Amat, Anake Kijjoa
Publikováno v:
Molecules, Vol 19, Iss 12, Pp 19923-19934 (2014)
Chemical investigation of the methanol extract of the wood of Garcinia succifolia Kurz (Clusiaceae) led to the isolation of 1,5-dihydroxyxanthone (1), 1,7-dihydroxyxanthone (2), 1,3,7-trihydroxyxanthone (3), 1,5,6-trihydroxyxanthone (4), 1,6,7-trihyd
Externí odkaz:
https://doaj.org/article/483d722d8c0e4af9a9cf88a3e5a2a910
Autor:
Chadaporn Prompanya, Tida Dethoup, Lucinda J. Bessa, Madalena M. M. Pinto, Luís Gales, Paulo M. Costa, Artur M. S. Silva, Anake Kijjoa
Publikováno v:
Marine Drugs, Vol 12, Iss 10, Pp 5160-5173 (2014)
Two new isocoumarin derivatives, including a new 5-hydroxy-8-methyl-2H, 6H-pyrano[3,4-g]chromen-2,6-dione (1) and 6,8-dihydroxy-3,7-dimethylisocoumarin (2b), a new chevalone derivative, named chevalone E (3), and a new natural product pyripyropene S
Externí odkaz:
https://doaj.org/article/4743c05f84d945a0bf58f5ae7689780b
Autor:
Nelson M. Gomes, Lucinda J. Bessa, Suradet Buttachon, Paulo M. Costa, Jamrearn Buaruang, Tida Dethoup, Artur M. S. Silva, Anake Kijjoa
Publikováno v:
Marine Drugs, Vol 12, Iss 2, Pp 822-839 (2014)
A new meroditerpene, sartorypyrone C (5), was isolated, together with the known tryptoquivalines L (1a), H (1b), F (1c), 3′-(4-oxoquinazolin-3-yl) spiro [1H-indole-3,5′]-2,2′-dione (2) and 4(3H)-quinazolinone (3), from the culture of the marine
Externí odkaz:
https://doaj.org/article/ab17d3c64c6e4a508f9a4da7c612ba8f
Autor:
Decha Kumla, Tida Dethoup, Luís Gales, José A. Pereira, Joana Freitas-Silva, Paulo M. Costa, Artur M. S. Silva, Madalena M. M. Pinto, Anake Kijjoa
Publikováno v:
Molecules, Vol 24, Iss 1, p 208 (2019)
A new polyketide erubescensoic acid (1), and the previously reported xanthonopyrone, SPF-3059-26 (2), were isolated from the uninvestigated fractions of the ethyl acetate crude extract of the marine sponge-associated fungus Penicillium erubescens KUF
Externí odkaz:
https://doaj.org/article/0dc57e702c064f0eaf5494d1a898a271