A facile and convenient synthesis of substituted tetrazole derivatives from ketones or α,β-unsaturated ketones.

Article abstract of DOI:10.1016/0040-4039(95)01513-H

Triazidochlorosilane (SiCl4-NaN3 in situ) is a new and efficient reagent for the direct conversion of ketones or α,β-unsaturated ketones to the corresponding tetrazole derivatives in nearly quantitative yield.