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 racemic alkaloid diptocarpilidine

A convenient approach to the synthesis of the racemic alkaloid diptocarpilidine from the readily available l-hydroxy-7-thiaoctane has been developed.Institute of Chemistry, Bashkir Scientific Center, Urals Branch Academy of Sciences of the USSR, Ufa. Institute of Chemistry of Plant Substances, Academy of Sciences of the Ubzek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 261–263, March–April, 1991.     

Synthesis of methyl-branched low-molecularmass insect bioregulators from the products of the acid decyclization of 4-methyltetrahydropyran

This review generalizes work on the chemoselective synthesis of racemic methyl-branched insect pheromones and the juvenoid hydroprene from 1,5-bifunctional 3-methylpentanes produced by the acid opening of the ring of 4-methyltetrahydropyran.Institute of Organic Chemistry, Ufa Scientific Center, Russian Academy of Sciences. Scientific-Research Institute of Fine Organic Synthesis Academy of Sciences of the Republic of Bashkortostan, Ufa. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 170–177, March–April, 1977.     

Influence of structural factors on delocalization of spin density in nitroxyl radicals of the imidazoline series

Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 6, pp. 42–51, November–December, 1991.     

Pheromones of insects and their analogs. XXVII. Synthesis of 10-hydroxy-4,8-dimethyldeca-4E,8E-dienoic acid and of racemic 4,8-dimethyldecanal from geranyl acetate

10-Hvdroxy-4,8-dimethyldeca-4E,8E-dienoic acid and racemic 4,8-dimethyldecanal (components of beetle pheromones) have been synthesized from geranyl acetate.Institute of Chemistry, Bashkir Scientific Center, Urals Branch, Academy of Sciences of the USSR, Ufa. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 272–276, March–April, 1991.     

Crystal and molecular structure of 1-nitro-2-phenylamino-1,3,4,4-tetrachloro-1,3-butadiene

Institute of Physical Organic Chemistry, Belorussian Academy of Sciences. Institute of Bioorganic Chemistry, Belorussian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 5, pp. 150–152, September–October, 1992.     

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.     

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.     

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.     

Crystal structure investigation of ternary molybdates Li3Ba2Ln3(MoO4)3 (Ln=Gd,Tm)

Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences. Institute of Physics, Siberian Branch, Russian Academy of Sciences. Buryat Institute of Natural Sciences, Siberian Branch, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 3, pp. 126–130, May–June, 1992.     

Isolation of an indanone fromEquisetum arvense and its crystal and molecular structure

Summary From the herbEquisetum arvense L. an indanone compound has been isolated for the first time for which the structure of 4-hydroxy-6-(2-hydroxyethyl)-2,2,5,7-tetramethylindanone has been established by spectroscopy and x-ray structural analysis.Irkutsk Institute of Organic Chemistry, Siberian Branch of the Academy of Sciences of the USSR. Institute of Applied Chemistry, Academy of Sciences of the Moldavian SSR, Kishinev. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 508–513, July–August, 1978.     

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.     

Crystal structure of 1,2-bis-(phenylseleno)-1,2-dichlorethene

Vladimir State Pedagogical Institute. Institute for Elementorganic Compounds, Russian Academy of Sciences. Irkutsk Institute for Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 4, pp. 153–154, July–August, 1992.     

Quantum chemistry and spectroscopy of highly excited states of coordination compounds

Institute of Inorganic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Institute of Catalysis, Siberian Branch, Academy of Sciences of the USSR. Institute of Chemistry and Chemical Technology, Siberian Branch, Academy of Sciences of the USSR. Branch of the Institute of Chemical Physics, Academy of Sciences of the USSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 29, No. 6, pp. 90–103, November–December, 1988.     

Molecular structure of 1-morpholino-3-phenyl-5,6,7,8-tetrachloro-1,2,4-benzothiadiazine

Institute of Organic Chemistry, Academy of Sciences of the Ukrainian SSR. Institute of Applied Physics, Academy of Sciences of the Moldavian SSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 2, pp. 172–174, March–April, 1991.     

Crystal structure of 3-[dimethyl-4-phenyl-3,5-dioxacyclohexyl)-methyl]-1,5,8,11-tetraoxacyclotridecane

Institute of Applied Physics, Academy of Sciences of the Moldavian SSR. Physical Chemistry Institute, Academy of Sciences of the Moldavian SSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 3, pp. 136–138, May–June, 1991.     

Parameters of the d-structure of aqueous lithium perchlorate solutions from x-ray diffraction data

Ivanovo Chemical Engineering Institute and Institute of the Chemistry of Nonaqueous Solutions, Academy of Sciences of the USSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 32, No. 6, pp. 88–92, November–December, 1991.     

Investigation of the sorption of water vapor on cation-substituted vermiculite. 2. Thermodynamic description of sorption equilibria

The changes in the thermodynamic functions of the sorbents were calculated for the first time from measurements of the deformations of vermiculite during the sorption of water vapor and adsorption-calorimetric data.Institute of Physical Chemistry, Russian Academy of Sciences, 117915 Moscow. Institute of Colloid Chemistry and the Chemistry of Water, Academy of Sciences of the Ukraine, 252180 Kiev. Translated fromIzvestiya Akademii Nauk, Seriya Khimicheskaya, No. 6, pp. 1270–1275, June, 1992.     

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.