Dieter Sicker, Klaus-Peter Zeller, Hans-Ullrich Siehl, Stefan Berger: Natural Products. Isolation, Structure, Elucidation, History

isolation and structural elucidation of natural products in euphorbia erythradenia

Isolation, structure elucidation and antioxidant screening of some natural products from Colebrookia oppositifolia

The phytochemical investigation on the chloroform and ethyl acetate soluble fractions of Colebrookia oppositifolia Smith. led to the isolation of four new-source compounds namely 1pentacosanol (1), stigmast-7-ene-3β-ol (2), p-hydroxybenzoic acid (3), ursolic acid (4) and seven known compounds namely triacontane (5), triacontanol (6), betulonic acid (7), negletein (8), 5,2′,6′-trihydroxy-7-metho...

Isolation and Structure Elucidation of Novel Natural Products from Turkish Lichens

Lichens are the symbiotic association of fungi and a photosynthetic partner, either a green algae of a cynobacterium or both. The lichens’ names refer to their fungal components. About 18,000 lichen species are known. They provide a great variety of metabolic products, some of which appear to occur naturally only in lichens, while others are also present in higher plants and fungi. Their second...

Some Recent Aspects in the Structure Elucidation of Natural Products

Although in the past 20 yr a large number of new synthetic approaches have been developed methods of isolation and structural elucidation have changed more dramatically in the last two decades than have those of synthesis. For the purification of natural products more and more different chromatographic techniques like paper, thin-layer, column, and gas—liquid chromatography are being used. Char...

Recent developments in automated structure elucidation of natural products.

Advancements in the field of Computer-Assisted Structure Elucidation (CASE) of Natural Products achieved in the past five years are discussed. This process starts with a dereplication procedure, supported by structure-spectrum databases. Both commercial and free products are available to support the procedure. A number of new programs,as well as advancements in existing ones, are presented. Fin...