Silver-catalyzed regioselective [3+2] cycloaddition of arene-diazonium salts with 2,2,2-trifluorodiazoethane (CF3CHN2): a facile access to 2-aryl-5-trifluoromethyltetrazoles.

Silver-catalyzed regioselective [3+2] cycloaddition of arene-diazonium salts with 2,2,2-trifluorodiazoethane (CF3CHN2): a facile access to 2-aryl-5-trifluoromethyltetrazoles.