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- W234047669 abstract "It was shown by x-ray crystallographic analysis that the products form the reaction of azomethines with the sulfur dioxide-methylamine system are methylammonium 1-aryl-1-(arylamino)methanesulfonates. In aqueous solutions of the latter the amine fragment is redistributed with the formation of arylammonium 1-aryl-1-(arylamino)methanesulfonates. It was established that all the obtained salts are in equilibrium with the azomethines in solutions. The form of the nucleophile taking part in the reaction with the azomethine is suggested on the basis of the data from the PMR spectra of the methylamine-sulfur dioxide system. It was established that in water at room temperature and, particularly, with acid catalysis the compounds undergo fragment transformations which lead finally to redistribution of the covalently bonded amine fragment between the anionic and cationic parts of the salt with the formation of arylammonium 1-aryl-1-(arylamino)methanesulfonates." @default.
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- W234047669 date "1988-03-20" @default.
- W234047669 modified "2023-09-26" @default.
- W234047669 title "Implicit nucleophilic reagents in the sulfur dioxide-amine system. Sulfur trioxide treatment of azomethines" @default.
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