N-(Phenylsulfonyl)- andN-Methyl-N-(phenylsulfonyl)benzohydrazonoyl Azides. Thermally Induced Cyclization to Tetrazoles and Decomposition to Benzonitriles
N-(Phenylsulfonyl)- andN-Methyl-N-(phenylsulfonyl)benzohydrazonoyl Azides. Thermally Induced Cyclization to Tetrazoles and Decomposition to Benzonitriles