A straightforward synthesis of alkyl 1H-tetrazol-5-yl thioethers via a one-pot reaction of aldehydes and 1H-tetrazole-5-thiols mediated by N-tosylhydrazones

A straightforward approach for the synthesis of alkyl 1 H -tetrazol-5-yl thioethers from aldehydes and 1 H -tetrazole-5-thiol through a one-pot procedure is presented. The aldehydes were first condensed with N -tosylhydrazine to generate the N -tosylhydrazones, which were then reductively coupled in situ with 1 H -tetrazole-5-thiols under metal-free conditions to afford the thioethers in high to excellent yields.