diterpene


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Related to diterpene: alkaloid, Monoterpene, Triterpene

diterpene

highly irritant plant diterpenoid esters, e.g. daphnane, tigliane, ingemane.
References in periodicals archive ?
The chemical shift for H-12 pointed to a 12,20-lactone, a common structural feature among clerodane diterpenes (Merrit 1992).
Qualitative and quantitative analysis of diterpene resin acids by glass capillary gas-liquid chromatography.
officinalis, mainly phenolic diterpenes, which possess many biological activities.
Enhancing macrocyclic diterpenes as multidrugs-resistance reverses: structure-activity studies on Jolkinol D derivatives.
From the resinous wood of the plant, a number of diterpenes have been reported, of which several exhibited anti-tumor promoting activity in vivo in a two-stage carcinogenesis test of mouse tumor using 7,12-dimethylbenz[a]-anthracene (DMBA) as an initiator and 12-O-tetradecanoylphorbol-13-acetate (TPA) as a promoter (Konishi et al.
In contrast ir showed as major constituents an interconverting 1:1 mixture of non glycosylated amphilectane type diterpenes (IMNGD) (10-acetoxi-9-hydroxy-amphilecta-8,10,12,14 tetraene and 9-acetoxy10-hydroxy-amphilecta-8,10,12,14 tetraene) and minor amounts of elisabethatrienol and amphilecta8(13), 11,14-triene-9,10-dione.
Early work in Australia and Hawaii showed that sponges can incorporate the inorganic cyanide functional group into sesquiterpene and diterpene skeletons (Garson, 1986; Karuso and Scheuer, 1989).
Rosemary: It contains some of the most promising active agents, including rosmarinic acid, and diterpenes ursolic acid, carnosic acid, carnosol, oleanolic acid, hinokiol and seco-hinokiol, rofficerone, and amyrenones, which, due to their reported strong antioxidant, anti-inflammatory and tyrosinase inhibiting properties (13), deserve further interest in their skin anti-aging applications.
The sweet compounds represent about 14 per cent constituents of dried leaves and are diterpene glycosides based on the kaurene skeleton.
This assumption is satisfied for many well-studied plant-herbivore systems including hornworm larvae fed nicotine (Parr and Thurston 1972), four caterpillar species fed diterpene acids of sunflower (Elliger et al.
Chapter 8: Natural Diterpene and Triterpene Quinone Methides: Structures, Synthesis and Biological Potentials (Qibing Zhou).
13]C NMR data suggested compound 5 to be a polyester [DELTA]6(17), [DELTA]11-jatrophane-type diterpene.