Synthesis of 1-Phenyl-1-alkyl-ammonium

1-Phenyl-1-alkyl-ammonium is a kind of chemical intermediate to synthesize new herbicide,radioactive medicine,sensor and so on. 1-phenyl-1-alkyl ammonium was prepared from different substituted hypnone and ammonium formate as stuff via the reaction of R.Leuchart. The yield rate can reach 80%,the purity excess 98%. The structures of all new compounds were confirmed by 1H NMR,and MS spectra.