R
Raimundo Braz-Filho
Researcher at Universidade Federal Rural do Rio de Janeiro
Publications - 386
Citations - 5605
Raimundo Braz-Filho is an academic researcher from Universidade Federal Rural do Rio de Janeiro. The author has contributed to research in topics: Carbon-13 NMR & Proton NMR. The author has an hindex of 32, co-authored 377 publications receiving 4923 citations. Previous affiliations of Raimundo Braz-Filho include State University of Norte Fluminense & Federal University of São Carlos.
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Journal ArticleDOI
24-methyl-25-ethyldammarane derivatives from Pilocarpus spicatus
Manoel Andrade-Neto,Edilberto R. Silveira,Raimundo Braz-Filho,Raimundo Braz-Filho,Maria Teresa P. Gambardela,Maria Teresa P. Gambardela,Regina Helena de Almeida Santos,Regina Helena de Almeida Santos +7 more
TL;DR: In this article, from the leaves of Pilocarpus spicatus 3β-acetoxy-24-methyl-25-ethyl-20,24-epoxydammarane and 3-oxo-24 methyl-25 methyl-20-ethyl -20, 24-epoxy-20.24 -epoxyethyl -19,24 -emoxy-19.
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Alkaloids from Annona dioica
TL;DR: In this article, the structures of these natural products were elucidated on the basis of their spectral data, including NOE experiments and homonuclear 1H-1H-COSY e heteronuclear 2D-shift-correlated NMR spectra.
Journal ArticleDOI
A New Coumarln from Brosimum Gaudichaudii Trecul
Ivo José Curcino Vieira,Leda Mathias,Verônica de F. F. Monteiro,Raimundo Braz-Filho,Edson Rodrigues-Filho +4 more
TL;DR: From the root bark of B. gaudichaudii, a new coumarin (1) and the known psoralen (3), bergapten (4), (+)-(2′S,3′R)-3′-hydroxymarmesin (5), xanthyletin (6) and luvangetin 97) were isolated as mentioned in this paper.
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Tri- and Diterpenoids from Stillingia loranthacea as Inhibitors of Zika Virus Replication.
Lucas Silva Abreu,Yuri Mangueira do Nascimento,Rafael dos Santos Costa,Maria Lenise Silva Guedes,Bárbara Nayane Rosário Fernandes Souza,Lindomar Pena,Vicente Carlos de Oliveira Costa,Marcus Tullius Scotti,Raimundo Braz-Filho,José Maria Barbosa-Filho,Marcelo Sobral da Silva,Eudes da Silva Velozo,Josean Fechine Tavares +12 more
TL;DR: The present findings have identified S. loranthacea terpenoids as potent anti-ZIKV inhibitors and pave the way to the development of possible new treatments against this devastating pathogen.
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Isolamento, identificação e avaliação da atividade antileucêmica de alcaloides indólicos monoterpênicos de Tabernaemontana salzmannii A. DC., Apocynaceae
Elaine Rodrigues Figueiredo,Ivo José Curcino Vieira,Jucimar Jorgeane de Souza,Raimundo Braz-Filho,Leda Mathias,Milton M. Kanashiro,Fernanda H. Côrtes +6 more
TL;DR: O presente trabalho descreve o isolamento e a identificacao de nove alcaloides indolicos monoterpenicos das cascas das raizes e folhas de Tabernaemontana salzmannii (Apocynaceae).