The radical addition of dialkyl diselenides to acetylenes

Sulfur Letters

Volumn 23, Issue 5, 2000, Pages 229-238

  Potapov, Vladimir A ^a   Amosova, Svetlana V ^a   Starkova, Anna A ^a   Zhnikin, Andrei R ^a   Doron'kina, Irina V ^a   Beletskaya, Irina P ^a   Hevesi, Laszlo ^a  

^a ENERGY SYSTEMS INSTITUTE   (Russian Federation)

Author keywords

1,2 bis(alkylseleno)ethenes; Acetylenes; Dialkyl diselenides; Radical addition; Selenyl radicals

Indexed keywords

ACETYLENE DERIVATIVE; ETHYLENE DERIVATIVE; ORGANIC COMPOUND; SELENIDE;

ARTICLE; CYCLOADDITION; IRRADIATION; ISOMER; ORGANIC CHEMISTRY; PROTON NUCLEAR MAGNETIC RESONANCE; SUNLIGHT;

EID: 0034587097     PISSN: 02786117     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

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22. [21]) along with the 1,2-adducts. When an equimolar ratio of the reagents is used the yield of 2,5-diphenylselenophene is low (2-5%). In the case of the two-fold or higher excess of phenylacetylene 2,5-diphenylselenophene is the major product of the reaction. We have found that this reaction is of general character and takes place with organic ditellurides as well to afford 2,5-diphenyltellurophene. Our studies on the preparation of 2,5-diphenylchalcogenophenes, structural assignment and the path of formation will be published elsewhere.
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