Przewalskin A, a novel C23 terpenoid with anti-HIV-1 activity from Salvia przewalskii Maxim, was formed in 10 steps via isorosmanol from (+)-carnosic acid. The synthetic strategy was inspired primarily by the biogenetic hypothesis and was enabled by epoxidation, epoxide ring opening, and
A phytochemical study has been carried out on the aerial parts of Salvia pachyphylla and S. clevelandii. From S. pachyphylla, the known diterpenes carnosol (2), rosmanol, 20-deoxocarnosol (3), carnosic acid, isorosmanol (4), 7-methoxyrosmanol, 5,6-didehydro-O-methylsugiol (5),
BACKGROUND
Salvia officinalis is a traditionally used herb with a wide range of medicinal applications. Many phytoconstituents have been isolated from S. officinalis, mainly phenolic diterpenes, which possess many biological activities.
OBJECTIVE
This study aimed to evaluate the ability of the
A new abietane diterpenoid, 12-O-methyl carnosol (2), was isolated from the leaves of sage (Salvia officinalis L.), together with 11 abietane diterpenoids, 3 apianane terpenoids, 1 anthraquinone, and 8 flavonoids. Antioxidant activity of these compounds along with 4 flavonoids isolated from thyme
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