Abstract
1-Alkyl-5-R-tetrazoles, free of the corresponding 2-isomers, can be readily obtained in high yield from 5-R-tetrazoles via exhaustive alkylation of their readily available 2-tert-butyl derivatives followed by removal of the tert-butyl group from the 1(4)-alkyl-3(2)-tert-butyl-5-R-tetrazolium salts formed.
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