The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial ...

It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density and high oxidation resistance, as well as high safety, where dissolution and deposition of magnesium progress repeated...

To provide: a novel non-aqueous electrolytic solution which uses a methylenebissulfonate derivative, reduced initial irreversible capacity of a battery, and further improves battery characteristics such as cycle characteristics, electric capacity and stora...

The present invention is directed to provide an efficient production method which is capable of not only obtaining a cyclic sulfonic acid ester (sultone) at low cost and in high yield, but also the sulfonic acid ester (sultone) stably even in a commercial ...

Object To provide a method for producing a bis-quaternary ammonium salt efficiently and a novel synthetic intermediate thereof. Solution The present invention relates to a method for producing a bis-quaternary ammonium salt represented by a general formula...