Triterpene glycosides of Gypsophila patrinii III. The structure of philoside B

Summary The structure of philoside B — a gypsogenin nonaoside isolated from the roots ofGypsophila patrinii — has been established.A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan'Branch, Academy of Sciences of the USSR. Correspondence Institute of Soviet Commerce. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 603–607, September–October, 1974.     

New derivatives of (?)-neocembrene from the soft coral Sarcophyton trocheliophorum

A hexane extract of the soft coralSarcophyton trocheliophorum has yielded two new diterpenoids for which the structures of 13S-hydroxy-(–)-neocembrene and 13S-hydroxy-11,12-epoxy-(–)-neocembrene have been established.Novosibirsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Branch, Academy of Sciences of the USSR, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 535–540, July–August, 1988.     

The structure of saponin a from Naumburgia thyrsiflora

Summary Triterpene glycosides have been isolated fromNaumburgia thyrsiflora (L.) Rchb. for the first time. It has been established that saponin A is a trioside of priverogenin A.Institute of Chemistry, Academy of Sciences of the Moldavian SSR. Vitebsk State Medical Institute. Simferopol' State University. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 364–366, May–June, 1975.     

Triterpene glycosides of Dianthus deltoides II. Structure of dianthoside C

Summary The structure of dianthoside C — a triterpene glycoside fromDianthus deltoides L. — has been established.A. E. Arbuzov Institute of Organic and Physical Chemistry, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 420–425, July–August, 1971.     

The structure of the sesquiterpene lactone saupirin

Conclusions A new sesquiterpene lactone, saupirin, has been isolated from the epigeal green part ofSaussurea neopulchella Lipsch. andSaussurea pulchella Fisch., and structure (I) has been proposed for it.All-Union Scientific-Research Institute for Medicinal Plants. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 727–736, November–December, 1971.     

The seed oils of some species of the family Cruciferae

Summary The physicochemical properties of the oils of the seeds of seven plants of the family Cruciferae —Cakile maritima, Sisymbrium altissimum, Sisymbrium Loeselii, Descurainia Sophia, Erysimum cheiranthoides, Brassica amoracioides andCrambe pontica — have been studied and their fatty acid compositions have been determined. The results obtained showed no marked differences from those given in the literature.Zaporozhe Medical Institute. Ukrainian Scientific-Research Institute of the Oils and Fats Industry. Zaporozhe Oils and Fats Combine. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 15–18, January–February, 1973.     

The structure of nutanoside

Summary The complete structure of nutanoside — a triterpene glycoside isolated from the roots ofSilene nutans L. — has been established.A. E. Arbuzov Institute of Organic and Physical Chemistry, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 412–416, July–August, 1971.     

Synthesis of (E)-dodec-3-en-1-yl acetate — The main component of sex pheromones of Scrobipalpa ocellatella and Scrobipalpopsis solanivora

(E)-Dodec-3-en-l-yl acetate — the main component of the sex pheromones ofScrobipalpa ocellatella andScrobipalpopsis solanivora — has been obtained by a three-stage synthesis from decanal and malonic acid. The overall yield of pheromone was 33% calculated on the initial aldehyde.A. S. Sadykov Institute of Bioorganic Chemistry, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 682–683, September–October, 1988.     

O-acylated lignans from the wood of Abies species

Summary From the wood of the Siberian firAbies sibirica Ledeb. and the Khingan firA. nephrolepis Maxim., five new compounds have been isolated which are ester derivatives of the lignans lariciresinol, olivil, and hydroxymatairesinol.It has been established that olivil is esterified at the primary alcoholic hydroxyl by hydroxycinnamic acids — p-coumaric or ferulic — and lariciresinol is esterified by vanillic acid. A representative of the guaialignanolides — hydroxymatairesinol — is esterified at the secondary aliphatic hydroxy group with p-hydroxybenzoic or vanillic acid.Institute of Organic Chemistry, Siberian Branch of the Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 337–341, May–June, 1977.     

The structure of teucrin A

Summary The structure of a new 18-norditerpenoid — teucrin A, isolated from the plantTeucrium chamaedrys L. — has been demonstrated. It has been shown that it belongs to the furolactones with a rearranged labdane skeleton.Institute of Chemistry, Academy of Sciences of the Moldavian SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 31–35, January–February, 1973.     

Secondary metabolites of Pyricularia oryzae II. Polyketide metabolites

A number of exometabolites have been isolated from the deuteromycetePyricularia oryzae Cav., of which harman and O-demethyldiaporthin have been isolated from this species for the first time. The latter is the first example of a hexaketide from fungi of the genusPyricularia, for which only penta- and heptaketides have previously been described.All-Union Scientific-Research Institute of Phytopathology, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 471–475, July–August, 1991.     

Alkaloids of four species of Argemone

The alkaloid compositions of four species of plants of the genusArgemone (A. mexicana L.,A. alba L.,A. platyceras Link et Otto., andA. hybrida) collected in the flowering phase in the Tashkent Botanical Garden have been studied. They have yielded 16 alkaloids. Corydine and isocorydine have been detected in plants of this genus for the first time, and O-methyl-platycerine has been found in nature for the first time.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 204–206, March–April, 1986.     

Synthesis of the racemic alkaloid diptaline

The isolation from the plantDipthychocarpus strictus (Cruciferae) of the optically active base diptaline, identified as N-(11-methylsulfinylundecyl)urea, has been reported [1]. A synthesis of the racemic form of this alkaloid has now been achieved.Institute of Organic Chemistry, Urals Branch, Russian Academy of Sciences, Ufa. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 102–105, January–February, 1992.     

Analysis of oligospirostanosides in a suspension culture of Dioscorea deltoidea cells by high-performance liquid chromatography

A method has been developed for the quantitative determination of oligospirostanosides in a culture ofDioscorea deltoidea cells with the aid of HPLC on a LiChrosorb RP-18 column. Elution was performed with acetonitrile-water (50–75%) with detection at 207 nm.A. N. Bakh Institute of Biochemistry, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 549–551, July–August, 1988.     

Phospholipase A2 from the venom of the spider Eresus niger

A phospholipase A₂ with a molecular mass of 12–14 kDa has been isolated from the venom of the spiderEresus niger by three-stage column chromatography. Asparagine has been identified as the N-terminal amino acid.Institute of Physiology, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 557–560, July–August, 1991.     

Synthesis of dodec-5E-en-1-ol — The pheromone of Tricimba cincta — And tetradec-5E-1-yl acetate — An imitator of the pheromone of Rhynchopacha sp.

On the basis of a modified Knoevenagel reaction starting from octanol and decanal, the stereodirected synthesis has been effected of dodec-5E-en-ol (the pheromone of the grass flyTricimba cincta — and tetradec-5E-en-yl acetate) an imitator of the pheromone of the mothRhynchopacha sp. A. S. Sadykov Institute of Bioorganic Chemistry, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 129–132, January–February, 1991.     

Synthesis of hexadec-9Z-enal — One of the components of the sex pheromone of Heliothis armigera

Hexadec-9Z-enal — a component of the sex pheromone of the cotton bollwormHeliothis armigera — has been obtained by a three-stage synthesis from 9-acetoxynonanal and n-heptyltriphenylphosphonium bromide followed by reduction and oxidation.A. S. Sadykov Institute of Bioorganic Chemistry, Uzbekistan Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 276–277, March–April, 1992.     

Phytoecdysteroids of plants of the genus Melandrium I. Polypodin B 22-acetate from Melandrium turkestanicum

Known ecdysteroids — ecdysterone, ecdysterone 22-acetate, polypodin B, integristerone A, and sileneosides A and D — and a new phytoecdysteroid — polypodin B 22-acetate — have been found in the epigeal parts of the plantMelandrium turkestanicum (Rg1.) Vved. (family Caryophyllaceae).Institute of Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 480–483, July–August, 1990.