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Graciosin and graciosallene two bromoethers from laurencia obtusa


, : Graciosin and graciosallene two bromoethers from laurencia obtusa. Phytochemistry (Oxford) 27(11): 3537-3540

Two new bromo ethers possessing a bromo propargylic and bromo allenic moieties graciosin and graciosallene, were isolated from the red alga Laurencia obtusa and their structures determined by X-ray crystallography and chemical methods.

US$19.90

DOI: 10.1016/0031-9422(88)80763-5


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Liu, Z.; Xu, B.; Miao, Z.; Sun, J., 2014: The pheromone frontalin and its dual function in the invasive bark beetle Dendroctonus valens. The red turpentine beetle, Dendroctonus valens LeConte, is one of the most destructive invasive forest pests in China, having killed more than 6 million pines since its first outbreak in 1999. Little is known about D. valens pheromone biology and...

Freund G., 1980: Benzodiazepine receptor loss in brains of mice after chronic alcohol consumption. Benzodiazepine receptors in crude mitochondrial fractions of whole brains of mice were decreased in density and affinity after the animals had consumed alcohol in liquid diets for 7 mo. and the solid laboratory food for 1 mo. These mice were compa...

Wakade, A.R., 1979: Recent developments in degeneration of the sympathetic neuron. General Pharmacology 10(5): 351-357

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