2,6-Dihalo-9-selenabicyclo[3.3.1]nonanes and their complexes with selenium dihalides: synthesis and structural characterisationстатья
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Дата последнего поиска статьи во внешних источниках: 2 декабря 2016 г.
Аннотация:The transannular addition of SeCl2 and SeBr2 to cis,cis-cycloocta-1,5-diene affords 2,6-dihalo-9-selenabicyclo[3.3.1]nonanes in high yields. The latter react with SeCl2 and SeBr2 to form the 2:1 complexes, which are the first representatives of coordination compounds with the Se center dot center dot center dot Se center dot center dot center dot Se bonds. X-ray crystallographic data of the obtained compounds are discussed. In contrast to 2,6-dihalo-9-selenabicyclo[3.3.1]nonanes, tetrahydroselenophene does not form complexes with SeCl2 and SeBr2 giving 1,1-dihalotetrahydroselenophenes.