Search filters

List of works by Raimundo Braz Filho

1H and 13C NMR assignments for two new cordiaquinones from roots of Cordia leucocephala

scientific article published in February 2009

1H and 13C NMR assignments of new methoxylated furanoflavonoids from Lonchocarpus araripensis.

scientific article

1H and 13C NMR assignments of two new isomeric bisbenzylisoquinoline alkaloids from Cissampelos sympodialis Eichl. (Menispermaceae)

scientific article published on 28 February 2013

1H and 13C NMR spectral assignments of four dammarane triterpenoids from carnauba wax.

scientific article published in June 2006

1H and 13C NMR spectral data of new saponins from Cordia piauhiensis.

scientific article

3,6-Dimethoxy-6″,6″-Dimethyl-(7,8,2″,3″)-Chromeneflavone, a Flavonoid Isolated from Lonchocarpus Araripensis Benth. (Fabaceae), Reduces Nociceptive Behaviour in Mice.

scientific article

A Molecular Networking Strategy: High-Throughput Screening and Chemical Analysis of Brazilian Cerrado Plant Extracts against Cancer Cells

scientific article published in 2021

A cytotoxic meroterpenoid benzoquinone from roots of Cordia globosa.

scientific article published on January 2005

A new isoflavone glycoside from dalbergia nigra

scientific article published on 01 September 1998

A new method for asperphenamate synthesis and its antimicrobial activity evaluation.

scientific article

A novel 3,9-(1,2,3-trioxocine)-type steroid of Rauia nodosa (Rutaceae).

scientific article

A xanthone from Shultesia guianensis

scientific article

Anthelmintic acetogenin from Annona squamosa L. Seeds

scientific article published in June 2008

Anthracene derivatives from Auxemma oncocalyx.

scientific article

Anthracyclinones from Micromonospora sp. ⬇️

scientific article published on 17 January 2012

Antibacterial activity of Capsicum annuum extract and synthetic capsaicinoid derivatives against Streptococcus mutans

scientific article published on 20 August 2011

Antibacterial and antioxidant activities of ursolic acid and derivatives

scientific article published on 21 January 2014

Antimicrobial activity of wax and hexane extracts from Citrus spp. peels.

scientific article published in September 2007

Antinociceptive and Anti-inflammatory Activities of the Methanolic Extract from the Stem Bark of Lophanthera lactescens.

scientific article published on 26 August 2015

Antiophidic solanidane steroidal alkaloids from Solanum campaniforme

scientific article published on 30 September 2011

Antiplasmodial and cytotoxic effects of the methanol extract, canthinone alkaloids, squalene- and protolimonoid-type triterpenes from Homalolepis suffruticosa roots

scientific article published in 2022

Application of pH-zone-refining countercurrent chromatography for the separation of indole alkaloids from Aspidosperma rigidum Rusby

scientific article

Application of preparative high-speed counter-current chromatography for the separation of two alkaloids from the roots of Tabernaemontana catharinensis (Apocynaceae). ⬇️

scientific article

Biflavonoids and a glucopyranoside derivative from Ouratea semiserrata. ⬇️

scientific article published in September 2002

Bowdenol, a new 2,3-dihydrobenzofuran constituent from Bowdichia virgilioides

scientific article published in January 2001

Bowdichine, a new diaza-adamantane alkaloid from Bowdichia virgilioides

scientific article published in March 2004

C-prenylflavonoids from roots of Tephrosia tunicata

scientific article published on 01 December 2000

Characterization of the biochemical, physiological, and medicinal properties of Streptomyces hygroscopicus ACTMS-9H isolated from the Amazon (Brazil).

scientific article published on 18 October 2016

Characterization of two minor saponins from Cordia piauhiensis by 1H and 13C NMR spectroscopy

scientific article published on 01 June 2005

Chemical Compounds and Biologic Activities: A Review of Cedrela Genus

scientific article published on 18 November 2020

Chemical Constituents of Plants from the Genus Simaba (Simaroubaceae) ⬇️

scientific article published on December 1, 2011

Chemical composition and biological activities of the essential oils from Vitex-agnus castus, Ocimum campechianum and Ocimum carnosum

scientific article published on 17 April 2020

Chemical constituents from Lippia sidoides and cytotoxic activity

scientific article published in June 2001

Chemical constituents from Vellozia graminifolia

scientific article

Chemical constituents of Simarouba versicolor ⬇️

scientific article published in September 2002

Chemicals from Agave sisalana biomass: isolation and identification.

scientific article published on 20 April 2015

Chemistry and biological activity of ramalina lichenized fungi.

scientific article published on 19 May 2015

Complete 1H and 13C NMR assignments for two new monodesmoside saponins from Pentaclethra macroloba (Willd.) Kuntze

scientific article published on 01 August 2004

Constituents of Bowdichia virgilioides

scientific article published on 01 April 2000

Cucurbitacins from Cayaponia racemosa: isolation and total assignment of 1H and 13C NMR spectra

scientific article published on 01 May 2007

Cymosanine, a novel C19-quassinoid from Simaba subcymosa

scientific article published on 01 February 2005

Cytotoxic Triterpenes from Salacia crassifolia and Metabolite Profiling of Celastraceae Species

scientific article published on 20 June 2018

Cytotoxic diterpenoids from Croton argyrophylloides

scientific article

Cytotoxic epimeric withaphysalins from leaves of Acnistus arborescens

scientific article published on June 2004

Cytotoxic pyranonaphthoquinones from Melloa quadrival vis (Bignoniaceae).

scientific article published in April 2005

Cytotoxic withaphysalins from the leaves of Acnistus arborescens

scientific article published in April 2004

DNA topoisomerase inhibitors: biflavonoids from Ouratea species ⬇️

scientific article

Discovery of the rapanone and suberonone mixture as a motif for leishmanicidal and antifungal applications

scientific article published on 4 December 2013

Eletefine, a Stephaoxocane Alkaloid from Cissampelos glaberrima ⬇️

scientific article published on September 1, 1998

Ferulic acid as major antioxidant phenolic compound of the Tetragonisca angustula honey collected in Vera Cruz - Itaparica Island, Bahia, Brazil

scientific article published in 2024

Flavonoids from Annona dioica leaves and their effects in Ehrlich carcinoma cells, DNA-topoisomerase I and II

Fragmentation of plumeran indole alkaloids from Aspidosperma spruceanum by electrospray ionization tandem mass spectrometry

scientific article published in February 2010

Further lipophilic flavonols in Vellozia graminifolia (Velloziaceae) by high temperature gas chromatography: quick detection of new compounds

scientific article published in July 2001

Glaziovianol, a new terpenoid hydroquinone from auxemma glazioviana

scientific article published on 01 July 1999

Hirtinone, a Novel cycloartane-type triterpene and other compounds from Trichilia hirta L. (Meliaceae).

scientific article

Larvicidal activity against Aedes aegypti of pacharin from Bauhinia acuruana

scientific article published on 20 April 2013

Lepidotrichilins A and B, new protolimonoids with cytotoxic activity from Trichilia lepidota (Meliaceae).

scientific article published on 30 September 2013

Minor gamma-lactones from Trichilia catigua (Meliaceae) and its precursors by GC-MS.

scientific article published in October 2004

Molluscicidal activity of Solanum species of the Northeast of Brazil on Biomphalaria glabrata.

scientific article

NMR assignments and X-ray diffraction spectra for two unusual kaurene diterpenes from Erythroxylum barbatum

scientific article

New cytotoxic furan from the marine sediment-derived fungi Aspergillus niger

scientific article published on 30 January 2017

New enamine derivatives of lapachol and biological activity.

scientific article published in June 2002

New triterpene glycoside and other chemical constituents from the leaves of Swartzia apetala Raddi var. glabra

scientific article published on 28 March 2013

Palyosulfonoceramides A and B: unique sulfonylated ceramides from the Brazilian zoanthids Palythoa caribaeorum and Protopalythoa variabilis

scientific article

Phenolic Compounds Present Schinus terebinthifolius Raddi Influence the Lowering of Blood Pressure in Rats.

scientific article published on 23 October 2017

Quinones from plants of northeastern Brazil: structural diversity, chemical transformations, NMR data and biological activities.

scientific article

Rapid Characterization of Triterpene Saponins from Zornia brasiliensis by HPLC-ESI-MS/MS

scientific article published on 10 July 2019

Rauvolfia grandiflora (apocynaceae) extract interferes with staphylococcal density, enterotoxin production and antimicrobial activity

scientific article published on July 2010

Saponin-rich fraction from Agave sisalana: effect against malignant astrocytic cells and its chemical characterisation by ESI-MS/MS.

scientific article published on 2 February 2018

Simiranes A and B: erythroxylanes diterpenes and other compounds from Simira eliezeriana (Rubiaceae).

scientific article

Solanidane and iminosolanidane alkaloids from Solanum campaniforme

scientific article published on 26 September 2013

Spirostanol glucosides from the leaves of Cestrum laevigatum L.

scientific article published on 16 December 2015

Structural elucidation and NMR assignments of a new pyrrolizidine alkaloid from Crotalaria vitellina Ker Gawl.

scientific article published on 29 May 2013

Structure elucidation and NMR assignments of new spirosolane alkaloids from Solanum campaniforme

scientific article published on 01 January 2012

Structure elucidation and NMR assignments of two unusual monoterpene indole alkaloids from Psychotria stachyoides

scientific article published on September 2010

Structure elucidation of casbane diterpenes from Croton argyrophyllus

scientific article published on 31 March 2011

Synthesis of naringin 6"-ricinoleate using immobilized lipase

scientific article published on 11 May 2012

Synthesis, antibacterial and cytotoxic activities of new biflorin-based hydrazones and oximes.

scientific article published on 27 November 2015

Terpenoids from endophytic fungi.

scientific article published on 19 December 2011

Total assignments of 1H and 13C NMR spectra of isocatalpanol and a derivative of tecomaquinone

scientific article published on 01 July 2005

Triterpenes acids and saponins isolated from Licania arianeae Prance (Chrysobalanaceae).

scientific article

Two Novel Cycloartane-Type Triterpenes from Trichilia casaretti C. DC. (Meliaceae).

scientific article published on 19 April 2018

Two new diprenylated coumarins from Flindersia brayleyana

scientific article published on 01 August 2002

Unequivocal assignments of flavonoids from Tephrosia sp. (Fabaceae).

scientific article published in June 2009

¹H and ¹³C-NMR data of the simplest plumeran indole alkaloids isolated from Aspidosperma species

scientific article

Paulina is supported by:

About Paulina

Help