| abstract |
PROBLEM TO BE SOLVED: To provide a compound for use in an eye care product for reducing the occurrence of Acanthamoeba keratitis and other ocular pathogens due to the presence of protozoa. A compound capable of reacting with an epoxide and a compound of the formula (IV): Embedded image [Wherein, R 5 , R 6 , R 7 , R 8 , and R 9 are each independently H or a C 1-6 alkyl group; n is an integer from 0 to 18, A is H or an alkali metal cation, x is 2 or 3, and when x is 2, y is 0 and 1, and x is 3 Y is 0 or 1 under the condition that y is 1 when A method for producing a compound capable of chelating a polyvalent cation, comprising the step of reacting a compound represented by the formula: [Selection diagram] None |