DIETHYLAMMONIUM SALT OF N-METHYLAMINO-1- PHENYLMETHANESULFONIC ACID HAVING BACTERICIDAL ACTIVITY AND CHLAMYDIOSTATIC ACTIVITY, AND METHOD OF PREPARATION THEREOF Russian patent published in 1998 - IPC

FIELD: medical industry. SUBSTANCE: present invention describes diethylammonium salt of N- methylamino-1- phenylmethanesulfonic acid of formula I: . Said compound is prepared by reacting benzylidene methylamine with sulfur dioxide and diethylamine in ethyl alcohol in the presence of 5 mole % triethylbenzylammonium chloride followed by addition of water for 14-16 minutes at 40-50 C. Yield is 91.4+-0.5 %. Empirical formula is C₁₂H₂₂N₂O₃S•. The claimed compound has stable bactericidal and chlamydiostatic activities at concentration in solvent of 10-100 mg/ml directly in vitro and aerosol form at concentration of 1.5-15 mg/l in air. EFFECT: improved properties of the title compound. 2 cl, 5 tbl