| 摘要 |
A Lewis acid catalyst composition comprising a specific mixed medium and a Lewis acid catalyst, wherein the Lewis acid catalyst is at least one compound selected from the group consisting of compounds respectively represented by the following formulae (1) and (2): <?in-line-formulae description="In-line Formulae" end="lead"?>[(R<SUB>f</SUB><SUP>1</SUP>SO<SUB>2</SUB>)(R<SUB>f</SUB><SUP>2</SUP>SO<SUB>2</SUB>)N]<SUB>n</SUB>M, (1)<?in-line-formulae description="In-line Formulae" end="tail"?> and <?in-line-formulae description="In-line Formulae" end="lead"?>[(R<SUB>f</SUB><SUP>1</SUP>SO<SUB>2</SUB>)(R<SUB>f</SUB><SUP>2</SUP>SO<SUB>2</SUB>)(R<SUB>f</SUB><SUP>3</SUP>SO<SUB>2</SUB>)C]<SUB>n</SUB>M. (2)<?in-line-formulae description="In-line Formulae" end="tail"?> A method for continuously performing a reaction which proceeds in the presence of the above-mentioned Lewis acid catalyst by using a specific mixed medium and the above-mentioned Lewis acid catalyst. A novel Lewis acid catalyst. |
