Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Marianna Vieira Sobral Castello Branco"'
Autor:
Josean Fechine Tavares, Emidio V.L. Da-Cunha, Marcelo Sobral Da Silva, Maria De Fátima Agra, Margareth De Fátima Formiga Melo Diniz, Marianna Vieira Sobral Castello Branco, Ana Silvia Suassuna Carneiro Lúcio, João Carlos Lima Rodrigues Pita, José Maria Barbosa-Filho, Jackson Roberto Guedes Da Silva Almeida
Publikováno v:
Molecules, Vol 16, Iss 8, Pp 7125-7131 (2011)
Phytochemical investigation of Anaxagorea dolichocarpa Sprague & Sandwith led to isolation of three azaphenanthrene alkaloids: eupolauramine, sampangine and imbiline 1. Their chemical structures were established on the basis of spectroscopic data fro
Externí odkaz:
https://doaj.org/article/c74934952ec34039a2db2fef5717b8f2
Autor:
João Carlos Lima Rodrigues Pita, Aline Lira Xavier, Tatyanna Kelvia Gomes de Sousa, Vivianne Mendes Mangueira, Josean Fechine Tavares, Robson José de Oliveira Júnior, Robson Cavalcante Veras, Hilzeth de Luna Freire Pessoa, Marcelo Sobral da Silva, Sandra Morelli, Veridiana de Melo Rodrigues Ávila, Teresinha Gonçalves da Silva, Margareth de Fátima Formiga Melo Diniz, Marianna Vieira Sobral Castello-Branco
Publikováno v:
Molecules, Vol 17, Iss 8, Pp 9573-9589 (2012)
Trachylobane-360 (ent-7α-acetoxytrachyloban-18-oic acid) was isolated from Xylopia langsdorffiana. Studies have shown that it has weak cytotoxic activity against tumor and non-tumor cells. This study investigated the in vitro and in vivo antitumor e
Externí odkaz:
https://doaj.org/article/482d89fd70b748b6a8c165b53d4edc7d
Autor:
Josean Fechine Tavares, Raimundo Braz-Filho, Denise Aline Casimiro Bezerra, Maria de Fátima Agra, Marcelo Sobral da Silva, Fernanda Lima Subrinho, Marianna Vieira Sobral Castello Branco, Paula F. dos Santos
Publikováno v:
Magnetic Resonance in Chemistry. 51:497-499
A new pyrrolizidine alkaloid, named crotavitelin, was isolated from fruits of Crotalaria vitellina, Fabaceae (Papilionoideae). The structure was established by spectroscopic techniques such as one-dimensional and two-dimensional NMR, IR, and MS. Copy
Autor:
Denise Aline, Casimiro Bezerra, Josean, Fechine Tavares, Paula Ferreira, dos Santos, Marianna Vieira Sobral, Castello Branco, Maria, de Fátima Agra, Fernanda Lima, Subrinho, Raimundo, Braz-Filho, Marcelo Sobral, da Silva
Publikováno v:
Magnetic resonance in chemistry : MRC. 51(8)
A new pyrrolizidine alkaloid, named crotavitelin, was isolated from fruits of Crotalaria vitellina, Fabaceae (Papilionoideae). The structure was established by spectroscopic techniques such as one-dimensional and two-dimensional NMR, IR, and MS.
Autor:
Lucas Frungillo, Margareth de Fátima Formiga Melo Diniz, Patricia S. Melo, Marcela Haun, Maristella C. Anazetti, Josean Fechine Tavares, Marcelo Sobral da Silva, Marianna Vieira Sobral Castello Branco
Publikováno v:
ResearcherID
Two new diterpenes were isolated from stems and leaves of Xylopia langsdorffi ana, entatisane- 7α,16α-diol (xylodiol) and ent-7α-acetoxytrachyloban-18-oic acid (trachylobane), along with the known 8(17),12E,14-labdatrien-18-oic acid (labdane). We