• Publications
  • Influence
A new binaphthoquinone fromStrongylocentrotus intermedius
SummaryFrom a mixture of the pigments of the sea urchinStrongylocentrotus intermedius, in addition to the known spinochrome D, we have isolated a new binaphthoquinone having the structure ofExpand
  • 9
  • 2
About native components of extracts fromMaackia amurensis wood
A new dimeric stilbene, the name for which is suggested as maackin A, is isolated from the wood ofMaackia amurensis. The structure of maackin A is determined by NMR, UV, and IR spectral methods.Expand
  • 6
  • 1
Quinoid pigments of echinodermata V. Pigments of the sea urchinStrongy locentrotus dröebachiensis
SummaryFrom a mixture of the pigments of the sea urchinStrongy locentrotus dröebachiensis, in additionto the known spinochromes A, C, D, and E, we have isolated a binaphthoquinone and its anhydroExpand
  • 8
  • 1
Quinoid pigments of far eastern representatives of the family Boraginaceae
From nine species of plants of the family Boraginaceae we have isolated and identified 11 compounds, nine of which have proved to be previously known naphthoquinones — derivatives of shikonin. TheExpand
  • 4
  • 1
Isoflavones and stilbenes of the heartwood ofMaackia amurensis
The isoflavin retusin, squalene, 3,4′,5-trihydroxystilbene (resveratrol), 3,3′,4′,5-tetrahydroxystilbene, and a new compound constructed of fragments of retusin and 3,3′,4′,5-tetrahydroxystilbeneExpand
  • 5
  • 1
Polyhydroxynaphthoquinones — a new class of natural antioxidants
Conclusions1.The effect of natural polyhydroxynaphthoquinones on the low-temperature oxidation of cumene was investigated. These compounds constitute a new class of antioxidants, the rate constantsExpand
  • 15
Isoflavonoids from Heartwood of Maackia amurensis Rupr. et Maxim.
Orobol, tektorigenin, (-)-medicarpin, (±)-vestitol, and a new isoflavanone, the structure of which was established by chemical transformations and spectral data, were isolated from heartwoodExpand
  • 7
Anthraquinones of the lichenAsahinea chrysantha
From a hexane extract of the dry lichen we have isolated six anthraquinones: chrysophanol (I), islandicin (II), cynodontin (III), emodin (IV), a tetrahydroxymethylanthraquinone (V), and aExpand
  • 13
Nitrogen-containing metabolites of the marine spongeAcanthella carteri
A. S. Sadykov, N. I. Iskhakov, and B. Usmanov, Khim. Prir. Soedin., 265 (1965). N., I. Mavlyanov, A. K. Karimdzhanov, Sh. Yu. Islambekov, S. M. Mavlyanov, and E. V. Gnatchenko, Khim. Prir. Soedin.,Expand
  • 4
Pyrrole derivatives from the marine spongeAxinellidae Gen sp.
  • 2