Results 11 to 20 of about 463 (171)

The Antiproliferative Activity and NO Inhibition of Neo-Clerodane Diterpenoids from Salvia guevarae in RAW 264.7 Macrophages [PDF]

open access: yesMolecules
In this study, nine neo-clerodane-type diterpenoids (1–9) were isolated from the dichloromethane extract of Salvia guevarae Bedolla & Zamudio leaves. Compounds 1–6 were new natural products, and 7–9 were acetone artifacts.
Juan Pablo Torres-Médicis   +7 more
doaj   +2 more sources

Clerodane diterpenes: sources, structures, and biological activities. [PDF]

open access: yesNat Prod Rep, 2016
The clerodane diterpenoids are a widespread class of secondary metabolites and have been found in several hundreds of plant species from various families and in organisms from other taxonomic groups.
Li R, Morris-Natschke SL, Lee KH.
europepmc   +4 more sources

Isolation of metallic salts of cytotoxic clerodanes from medicinal plant Polyalthia longifolia var. pendula

open access: yesPakistan Journal of Pharmaceutical Sciences, 2022
Isolation of sodium and potassium salt of kolavenic acid (1,2), as a mixture of (3:1) and sodium and potassium salt of 16 oxo-cleroda-3,13(14)E-dien-15-oic acid (3, 4) as a mixture of (1:1) are first time reported form reddish black ripe and green unripe
Shumaila Shamshad   +9 more
doaj   +1 more source

Rearranged Clerodane Diterpenoids from the Stems of Tinospora baenzigeri

open access: yes, 2019
Four new rearranged clerodane-type diterpenoids (1–4), a new glucoside (5), and six known compounds (6–11) were obtained from the EtOAc crude extract of Tinospora baenzigeri stem.
Sujitra Hanthanong (6742451)   +3 more
core   +5 more sources

Chemical Constituents and Biological Potentials of Teucrium scordium subsp. scordioides Extracts: In Vitro Experimental and In Silico Perspectives. [PDF]

open access: yesChemistryOpen
T. scordium subsp. scordioides may represent a natural source of antioxidants and enzyme inhibitors for use in different health‐promoting formulations. This study was undertaken to examine, for the first time, the antioxidant and enzyme inhibitory properties of several extracts obtained from the aerial parts of Teucrium scordium subsp.
Akgul BH   +9 more
europepmc   +2 more sources

New cis-ent-clerodanes from Linaria Japonica [PDF]

open access: yes, 2015
Five new cis-ent-clerodanes, linarenones A–E (1–5) and two known compounds (6 and 7) were isolated from whole plant of Linaria japonica. The structures of these compounds were determined by various spectroscopic analyses (UV, IR, HR–ESI–MS, 1D and 2D NMR)
Katsuyoshi Matsunami   +5 more
core   +1 more source

Gastroprotective Activity of Parastrephia quadrangularis (Meyen), Cabrera from the Atacama Desert

open access: yesMolecules, 2018
Forty-three metabolites including several methoxylated flavonoids, tremetones, and ent-clerodane diterpenes were accurately identified for the first time in the ethanolic extract of P.
Alejandro Ardiles   +5 more
doaj   +1 more source

5,10-seco-neo-Clerodanes and neo-Clerodanes from Salvia microphylla

open access: yes, 2016
Two new 5,10-seco-neo-clerodanes, salvimicrophyllins A and B (1 and 2), and two new neo-clerodanes, salvimicrophyllins C and D (3 and 4), were isolated from the leaves and flowers of Salvia microphylla.
Rubén A. Toscano (1575313)   +2 more
core   +2 more sources

Synergism between Terbinafine and a -clerodane Dimer or a Monomer Isolated from against

open access: yesNatural Product Communications, 2019
The new neo -clerodane dimer (DACD) likely formed by a [4+2] photo-cycloaddition between two molecules of ent-15,16-epoxy-19-hydroxy-1,3,13(16),14-clerodatetraen-18-oic acid (DAC), both isolated from Baccharis flabellata Hook et Arn. var.
María Victoria Rodriguez   +3 more
doaj   +1 more source

13C-NMR Data of Diterpenes Isolated from Aristolochia Species

open access: yesMolecules, 2009
The genus Aristolochia,an important source of physiologically active compounds that belong to different chemical classes, is the subject of research in numerous pharmacological and chemical studies.
Antônio Flávio de Carvalho Alcântara   +3 more
doaj   +1 more source

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