Electron diffraction investigation of the structure of the 3,3-dimethyl-3-silathiophane molecule

Chemistry Faculty, M. V. Lomonosov Moscow State University. Irkutsk Institute of Organic Chemistry. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 2, pp. 148–151, March–April, 1991.     

Electronic structure of the π-dianions and π-dications of porphyrins

Institute of Physics, Academy of Sciences of the Belorussian SSR. Institute of Physical Organic Chemistry and Coal Chemistry, Academy of Sciences of the Ukrainian SSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 5, pp. 42–51, September–October, 1991.     

Advances in the chemical synthesis of brassinosteroids

This review generalizes the latest advances in the chemical synthesis of the plant growth regulators brassinosteroids in 1990–1994.Institute of Bioorganic Chemistry, Belarus Academy of Sciences, 220141, Minsk, ul. Zhodinskaya, 5/2. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 507–544, July–August, 1997.     

Monitoring the purity of antigepolin with the aid of chromatography in a thin layer of sorbent

A. S. Sadykcv Institute of Bioorganic Chemistry, Academy of sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 296–297, March–April, 1991.     

Determination of the parameters of the two-well potentials of slightly asymmetric hydrogen bonds in the enols of B-diketones by the NMR method

Institute of Bioorganic Chemistry, Academy of Sciences of the Belorussian SSR. M. V. Lomonosov Moscow State University. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 4, pp. 46–50, July–August, 1991.     

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.     

Separation of the alkaloids deoxypeganine,peganol, and deoxyvasicinone by the HPLC method

Institute of Chemistry of Plant Substances Academy of Sciences of the Uzbek SSR, Tashkent. Scientific Center for Chromatography, Academy of Sciences of the Uzbek SSR. Institute of the Chemistry and Physics of Polymers, Academy of Sciences of the Uzbek SSR, Tashkent. Iranslated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 297–298, March–April, 1991.     

Simulation of organic nonelectrolytes in water and tetrachloromethane by the monte carlo method. New data on the thermodynamics of dissolution

Scientific-Research Institute of Physical and Organic Chemistry, Rostov State University. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 5, pp. 57–68, September–October, 1991.     

Calculation of hyperfine magnetic fields at the57Fe nuclei in ferric orthovanadate by the SCF-Xα-DV method

Institute of Chemistry, Ural Branch. Academy of Sciences of the USSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 1, pp. 163–166, January–February, 1991.     

Modern trends in the investigation of flavor components

The methodological aspects of flavor chemistry — a new branch in the chemistry of food substances — are discussed. The thermodynamic characteristics of the subjects under investigation are described. The main principles of structural organization during the investigation of the flavor components in complex mixtures in the range of 10^–5-10^–14 g/g are formulated. Examples of the research are given.From a paper presented at the Joint Scientific Session of the Departments of Physical Chemistry and Technology of Inorganic Materials and General and Technical Chemistry.Institute of Food Substances, Russian Academy of Sciences, 117813 Moscow. Translated fromIzvestiya Akademii Nauk, Seriya Khimicheskaya, No. 6, pp. 1257–1269, June, 1992.     

Structure of the product of the reaction of the dimethyl sulfide-sulfur trioxide complex with methylenecyclobutane

L. Ya. Karpov Scientific-Research Institute of Physical Chemistry. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 3, pp. 111–113, May–June, 1991.     

Structure,hartree-fock stability,asymmetric solutions,and spectra of ground and excited states of alternant C48 Archimedean solid

Institute of Physical Organic Chemistry and Coal-Tar Chemistry, Ukrainian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 2, pp. 8–14, March–April, 1992.     

Total synthesis of the racemic alkaloid diptocarpamine

A route for the synthesis of racemic diptocarpamine from hex-5-enoic acid has been developed.Institute of Chemistry, Bashkir Scientific Center of the Urals Branch, USSR Academy of Sciences, Ufa. Institute of the Chemistry of Plant Substances, Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 232–236, March–April, 1989.     

Synthesis of the side chain of a sapogenin from the soft coral Asterospiculata randalli

Institute of Bioorganic Chemistry, Belorussian Academy of Sciences, Minsk. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 143–144, January–February, 1992.     

MNDO/HB study of proton transfer in the condensed phase of H2O including medium effects in the combined “supermolecule and pseudocontinuum” model

N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 1, pp. 24–30, January–February, 1992.     

Structure of the adiabatic ground-state potential surface for the ozone molecule

Institute for Physical and Organic Chemistry, Rostov University. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 6, pp. 15–20, November–December, 1991.     

Composition and structure of the novel complex Rh(CO)·(Ph2PNH2)3

Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences. Institute of Applied Chemistry, St. Petersburg. Kazan Chemical Engineering Institute. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 6, pp. 140–145, November–December, 1992.     

Recent advances in the field of the synthesis of juvenile hormones

The review considers recent advances in the field of the synthesis of juvenile hormones — briefly with respect to fundamental investigations up to 1975, and in more detail in relation to studies of the last 8–10 years, including investigations by the authors.N. D. Zelinskii Institute of Organic Chemistry of the Academy of Sciences of the USSR, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 133–146, March–April, 1986.     

Kinetic part of the Hamiltonian for a system of material points in curvilinear coordinates

V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 3, pp. 164–167, May–June, 1992.     

Effects of charge transfer on the CuKα line shape in copper(II) compounds

Inorganic Chemistry Institute, Siberian Branch, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 4, pp. 8–13, July–August, 1992.