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A number of methyl substituted 2,2′-dipyridyl diselenides and -ditellurides have been prepared. Effect of the solvent and the substituents on the rate of these reactions have also been studied. The preparation of 2-methylseleno/telluro picolines by reductive cleavage of the diselenides and ditellurides and by one pot reaction using n-BuLi at −78°C in THF is reported.
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Research grant from CSIR, New Delhi, India is gratefully acknowledged.
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