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Journals and Conferences
The sesquiterpene lactone argolide has been converted into its 1(10)-epoxide. The structure of the latter has been investigated by NMR, x-ray structural analysis, and molecular mechanics.
A novel eudesmane sesquiterpene lactone, the structure of which was established by XSA, was isolated from Artemisia tournefortiana.
The structure of lappacontine hydrobromide hydrate was solved by an x-ray structure analysis.
It has been shown that the oxidation of larixol with chromic acid mixture forms methyl 6-oxo-8α,13α-epoxystroban-14β-oate, methyl 6-oxo-8α,13α-epoxystroban-14α-oate, and… (More)
Anilides of cytisinylacetic acid were synthesized by reaction of the alkaloid cytisine with 2-bromo-N-(2,6-dihalo-4-nitrophenyl)acetamides. The compositions and structures of the products were… (More)
The sesquiterpene lactone pulchellin C has been epoxidized with trifluoroperacetic acid. The spatial structures 4(15)-α-epoxypulchellin and 5α, 6α-epoxyalantolactone have been established by x-ray… (More)
Ethylthiourea derivatives of the alkaloids anabasine, cytisine, and d-pseudoephedrine were synthesized using ethylisothiocyanate. Their structures were proven using PMR spectroscopy. The molecular… (More)
The pseudoguaianolide inuchinenolide C and the eudesmanolide pulchellin C have been isolated for the first time from the flower heads and leaves ofInula caspica Blume, and their spatial structures… (More)
5-Hydroxy-7-methoxyflavanone (pinostrobin) was isolated from buds of balsamic poplar (Populus balsamifieraL.). An x-ray structure analysis of its novel polymorphic modification is performed.
The results of the chemical modification of stizolicin, a sesquiterpene lactone of the trans,trans-germancrane type and, in particular, the epoxidation, saponification, and acetylation of its… (More)