Crystal and molecular structure of the coordination compound of O-phenanthroline thiosemicarbazide diacetate of cadmium(II) monohydrate

Institute for Applied Physics, Moldavian Academy of Sciences. Moldavian Institute of Chemistry. Lazo Polytechnic Institute of Kishinev. Translated from Zhurnal Strukturnoi Khimii, Vol. 133, No. 6, pp. 197–201, November–December, 1992.     

Identification of additional components of the sex pheromone of Dendrolimus pini

Institute of Biological Plant Protection of the Moldovian Academy of Sciences, Kishinev. All-Union Scientific-Research Institute of Forestry and Forestry Mechanization, Pushkino. Moscow Institute of Wood Technology; Georgian Institute of Mountain Forestry, Tbilisi. Translated from Khimiya Prirodnykh Soedeninii, No. 1, pp. 159–160, January–February, 1993.     

Transformation products of sclareol IV. Stereochemistry and mass-spectrometric fragmentation of some bicyclohomofarnesane oxides

Summary The stereochemistries of three oxides of the bicyclohomofarnesane series have been established by spectral and chemical methods.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 449–454, July–August, 1978.     

Isoagathane diterpenoids

The chemistry, stereochemistry and methods of synthesis, and also natural sources of isoagathane diterpenoids are discussed.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 397–410, July–August, 1986.     

Molecular rearrangements of tetra- and pentacyclic diterpenoids formed with the participation of pimarane intermediates

The molecular rearrangements of tetra- and pentacyclic diterpenoids formed with the participation of pimarane intermediates are considered.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 3–16, January–February, 1991.     

Synthetic investigations in the field of attractive substances (sex attractants) of insects cis-9,10-epoxyheneicosa-1, cis-6-triene — A component of the sex pheromone of Hyphantia cunea

A new synthesis of cis-9,10-epoxyheneicosa-1,cis-3,cis-6-triene has been developed.All-Union Scientific-Research Institute for Biological Methods of Plant Protection, Kishinev. Translated from Khimiya Prirodnykh Soedeninii, No. 1, pp. 141–144, January–February, 1993.     

Synthesis of 15-carboxy-(−)-kaurenes

From the readily available (–)-kaurene and 6-acetoxy-18-methoxycarbonyl-(–)-kaurene the corresponding 15-carboxy derivatives have been synthesized. In biotests on the elongation of wheat coleoptiles and the introduction of the synthesis of -amylase in isolated wheat endosperms, these compounds do not exhibit gibberellin-like activity.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Institute of Plant Physiology and Biochemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 217–220, March–April, 1981.     

Synthesis of 12-deoxyscalarolactone and 12-deoxyscalaradial

12-Deoxyscalarolactone and 12-deoxyscalaradial and substances related to them have been synthesized from methyl scalar-16-en-19-oate.Institute of Chemistry, Moldovan Academy of Sciences, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 499–503, September–October, 1992.     

Steroid saponins XIV. The structure of agavoside G from the leaves ofAgava americana

Summary The complete structure of agavoside G, a new steroid glycoside of the furostanol series, has been shown.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 486–491, July–August, 1976.     

Steroid glycosides of the roots ofCapsicum annuum. I. The structure of capsicosides A1, B1, and C1

Three new steroid glycosides of the spirostan series — capsicosides A₁, B₁, and C₁ — have been isolated from a methanolic extract of the roots of red pepper. In an investigation of the products of complete acid hydrolysis of these glycosides, a single aglycon — gitogenin — was identified. The complete chemical structure of each of the capsicosides has been shown with the aid of complete and partial acid hydrolysis, methylation and methanolysis, and periodate oxidation, and also by physicochemical methods of investigation.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Institute of Ecological Genetics, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 708–712, November–December, 1986.     

Synthetic investigations in the field of attractive substances (sex attractants) of insects XI. Convenient synthesis of nonadec-cis-7-en-11-one and eicos-cis-7-en-11-one — Components of the sex pheromone of Carposina niponensis

A simple synthesis of the nonadec-cis-7-en-11-one and eicos-cis-7-en-11-one, components of the sex pheromone of the peach moth, has been performed from homopropargyl alcohols.All-Union Scientific-Research Institute of Biological Methods of Plant Protection, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 123–126, January–February, 1988.     

Synthesis of dodec-10E-enyl acetate — the sex pheromone ofPhyllonorycter blancardella (Lepidoptera: Gracillariidae)

Dodec-10E-enyl acetate has been synthesized from undecenoic acid. Field trials have shown its high attractiveness for Phyilonorycter blancardella males.Institute of Biological Plant Protection, Academy of Sciences of Moldova, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 96–98, January–February, 1996. Original article submitted April 17, 1995.     

Steroid saponins. XIII. The structure of alliumosides D and E fromAllium narcissiflorum

Summary Two new steroid glycosides of the furostanol series have been isolated fromAllium narcissiflorum Wills., and their structures have been shown.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 184–188, March–April, 1976.     

Synthesis of the acetate of octadeca-trans-2,cis-13-dien-1-ol,a component of the sex pheromones of Synanthedon tipuliformis and Zeuzera pyrina

A new synthesis of the acetate of octadeca-trans-2,cis-13-dien-1-ol based on the alkylation of propargyl alcohol with pentadec-cis-10-enyl bromide, obtained from the readily accessible decamethylene bromohydrin, has been effected.All-Union Scientific-Research Institute of Biological Methods of Plant Protection, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 264–266, March–April, 1989.     

Insect pheromones and their analogues. XLVI. Synthesis of 13RS-hydrooxytetradec-5Z-enoic acid — The acyclic precursor of the macrolide component of the pheromone of Cryptolestes pusillus

New routes for the synthesis of 13RS-hydroxytetradec-5Z-enoic acid — the acyclic precursor of the macrolide component of the pheromone ofCryptolestes pusillus have been developed on the basis of the readily accessible 1-methylcycloocta-1Z, 5Z-diene or isopropyl nona-3E,8-dienoate.Institute of Biological Plant Protection, Moldovian Academy of Sciences, Kishinev. Scientific-Research Institute of Forestry and Forestry Mechanization, Pushkino. Moscow Institute of Wood Technology; and Georgia Institute of Mountain Forestry, Tbilisi. Translated from Khimiya Prirodnykh Soedeninii, No. 1, pp. 150–155, January–February, 1993.     

Synthesis of racemic 5,9-dimethylheptadecane, the sex pheromone of Leucoptera scitella (Zeller) (Lepidoptera: Lyonetidae)

A new synthesis of racemic 5,9-dimethylheptadecane, from the readily available geranyl acetate, has been effected. Field trials have revealed its high attraction activity forL. scitella males.All-Union Scientific-Research Institute of Biological Methods of Plant Protection, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 844–847, November–December, 1991.     

Isolation and identification of the sex pheromone of females of Heliothis maritima (Lepidoptera, Noctuidae)

Four components have been isolated from an extract of the sex pheromone of the mothHeliothis maritima and have been identified: hexadecanal, hexadec-cis-11-enal, hexadec-cis-9-enal, and hexadec-cis-11-en-1-ol.All-Union Scientific-Research Institute for Biological Methods of Plant Protection, Kishinev. Don Zonal Scientific-Research Institute of Agriculture. Don Scientific-Production Combine. Ecology Division of Lund University, Lund, Sweden. Translated from Khimiya Priorodnykh Soedinenii, No. 4, pp. 574–577, July–August, 1991.     

A study of the sex pheromone ofTortrix viridana

cis-Tetradec-ll-en-l-ol acetate has been isolated from an extract of the sex pheromone of the green oak tortrixTortrix viridana L., and has proved to be attractive under sexual conditions for the males of this species.All-Union Scientific-Research Institute of Biological Methods of Plant Protection, Kishinev, Moldles Moldavian Forestry Scientific-Production Amalgamation, Bendery, and All-Union Scientific-Research Institute of Chemical Means of Plant Protection, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 645–649, September–October, 1981.     

Anionotropic rearrangement in a series of derivatives of teucrin A

Summary Under the action of catalytic amounts of mineral acid, the pentaol obtained by the reduction of the norditerpenoid teucrin A with lithium tetrahydroaluminate undergoes an anionotropic rearrangement with the subsequent elimination of a molecule of water.Institute of Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 752–757, November–December, 1976.