S contains two parts structurally: the naphthazarine moiety (5, 8-dihydroxy-1, 4
naphthoquinone) and the chiral six-carbon side chain.
New furano
naphthoquinones and other constituents of Tabebuia avellanedae and their immunomodulating activities in vitro.
Pinto et al., "In vitro activity of Brazilian medicinal plants, naturally occurring
naphthoquinones and their analogues, against methicillin-resistant Staphylococcus aureus," International Journal of Antimicrobial Agents, vol.
falciparum W2 and the cytotoxicity to Hep G2A16 cell cultures of
naphthoquinones with different scaffolds, including ortho- and para-derivatives represented by ortho-FNQs (7) para-FNQs (8) supporting alkyl and aryl groups at the furan ring that were synthesized from HNQs (6) obtained from lawsone (5), as shown in the retrosynthetic scheme (Figure 2).
Unusual
naphthoquinones, catechin and triterpene from Byrsonima microphylla.
It contains many bioactive compounds, such as sugars, vitamins, flavonoids, tannins, terpenoids, steroids,
naphthoquinones, dietary fiber, carotenoids, minerals, amino acids, and lipids (Gross, 1987; Mallavadhani et al., 1998).
Antimalarial
naphthoquinones from Nepenthes thorelii.
Bioactive
naphthoquinones isolated from Tabebuia barbata by Colman-de Saizarbitoria et al (1977) were found to be active against A-549 human lung adenocarcinoma, MCF-7 breast carcinoma and HT-29 human colon carcinoma.
Cytotoxic
Naphthoquinones from roots of Lippia microphylla.
The taxonomic significance of
naphthoquinones in the Droseraceae.
Antitumor-promoting
naphthoquinones from Catalpa ovata.