Transformations of 8‐Substituted Tetrazolo[1,5‐a]pyrazines.

Abstract

Transformations of 8-Substituted Tetrazolo[1,5-a]pyrazines. -Title compound (I) reacts with N-, O-, and S-nucleophiles with ipso-substitution of the chlorine atom. The reactions with benzotriazole (IV) and phenyltetrazole (VI) are accompanied by elimination of nitrogen and subsequent cyclization. -(SLEPUKHIN, P. A.; RUSINOV, G. L.; DEDENEVA, S. S.; CHARUSHIN*, V. N.; Russ.