Dealkylation of dialkyl chalgogenides by the action of alkanechalcogenolate anions

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, 664033 Irkutsk. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 10 pp. 2456–2457, October, 1992.     

Unexpected reaction of 2-mercaptoquinoline with 4-hydroxy-4-methyl-2-pentynenitrile

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1694–1695, December, 1995. Original article submitted November 21. 1995.     

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.     

Coumarins of Physochlaina physaloides

Institute of Chemistry of the Mongolian People's Republic, Ulan-Bator. Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 130–131, January–February, 1988.     

Fluorobenzo-1,4-thiazine oxides from bis-(vinylsulfinyl)-and bis(vinylsulfonyl)-fluorobenzenes and 2-aminoethanol

It has been established that 1, 2, 4, 5-tetrafluoro-3, 6-bis (vinylsulfinyl)- and 1, 2, 4, 5-tetrafluoro-3, 6bis(vinylsulfonyl)benzenes react with 2-aminoethanol by nucleophilic addition at the activated double bond with replacement of fluorine atoms on the benzene ring by the amino group of 2-aminoethanol to give 4, 9-bis(2 hydroxyethyl)-5,10-difluoro-1, 2, 3, 4, 6, 7, 8, 9-octahydrobenzo[1, 2-b; 5, 4-b]di-1, 4-thiazine 1,6-dioxide and 1, 1, 6, 6-tetraoxide respectively.Irkutsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences (SO RAN), Irkutsk 664033. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1195–1198, September, 1996. Original article submitted June 5, 1996.Deceased     

2-Selenophenethiol and 5-methylthio-2-selenophenethiol: Synthesis and autoconversions

Selenophenethiols have been synthesized by a modified organolithium method. The structures of the products were established by their autothiylation and reaction with phenylhydrazine. Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 500–502, April, 1997.     

An investigation of the chemical composition of the seeds of Salsola collina

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 720–721, November–December, 1992.     

Tautomerism and self-conversion of substituted 2-thiophenethiols. Substituent effects and self-thiylation mechanism

The substitutent effect on the self-thiylation of 2-thiophenethiols was studied. Experimental results and quantum chemical calculations suggested possible mechanisms for this reaction dependent on the reaction conditions.Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of Russia, 664033 Irkutsk, Russia. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1203–1218, September, 1997.     

Crystal and molecular structure of (2,6-dimethoxyphenyl)-trichlorostannane

Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Translated from Zhurnal Strukturnoi Khimii, Vol. 28, No. 4, pp. 180–182, July–August, 1987.     

X-ray spectral investigation of the redistribution of electron density during complexation

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 33, No. 2, pp. 67–78, March–April, 1992.     

Sterols of Salsola collina

Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 731–732, September–October, 1989.     

A chemical investigation ofMatteuccia struthiopteris

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 608–609, July–August, 1993.     

A flavonoid glycoside and hydrocarbons and sterols from Thalictrum simplex

Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 723–724, November–December, 1992.     

Chemical composition of Potentilla fruitcosa III. Flavonoids and free sterols

Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, Irkutsk. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 285–286, March–April, 1991.     

Alkoxyphenyltrichlorostannane35Cl NQR spectra

Irkutsk Organic Chemistry Institute, Siberian Branch, USSR Academy of Sciences. Translated from Zhurnal Strukturnoi Khimii, Vol. 30, No. 1, pp. 169–171, January–February, 1989.     

Reaction of benzothiazol-2-one with 4-hydroxy-4-methyl-2-pentynonitrile

Reaction between the title compounds gave the unexpected 3-[5,5-dimethyl-2,5-dihydrofur-4-yl-2-(3-isopropanol-2-propenonitrile)imino]benzothiazol-2-one, as a result of the addition of two cyanoacetylene molecules.Irkutsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 4, pp. 1003–1005, April, 1992.     

Bitter iridoid glucoside from the fruit of Lonicera caerulea

Sverdlovsk Institute of the National Economy. Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 598–599, July–August, 1988.     

Carbohydrates,carbohydrate ethers,and alcohols of Salsola collina

Institute of Organic Chemistry; Siberian Institute of Plant Physiology and Biochemistry, Siberian Branches, Academy of Sciences of the USSR, Irkutsk. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 420–421, May–June, 1991.     

Electrohydraulic effect in heterodisperse water-plant systems. II. Chemical nature of the suspended particles

On the basis of the results of acid hydrolysis, chromatographic analysis of the hydrolysates, and a study of IR spectra, it has been established that the suspended particles liberated under the action of electrohydraulic shocks on heterodisperse water—plant systems consist of small fragments of the lignocarbohydrate complex of the plant tissue.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent. FAX (3712) 62 73 48. Division of Wood Chemistry, Irkutsk Institute of Organic Chemistry, Siberian Division of the Russian Academy of Sciences. Institute of Solar and Terrestrial Physics, Siberian Division of the Russian Academy of Sciences, Irkutsk, FAX (395-3) 46 25 57. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 435–439, May–June, 1994.     

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.