Abstract
Benzo-1,3,2-diselenazolylium chloride (I) was prepd. in 84\% yield by the reaction of 2-ClSeC6H4SeCl with Me3SiN3 in CH2Cl2. The cation has been characterized as its perchlorate by x-ray structure anal. Redn. via the unstable neutral radical state finally affords the nitrogen-free dibenzotetraselenocine. on SciFinder(R)
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