Patent ID: 7964361
Filing Date: 2011-06-21
Classification: C07D,G01N

Abstract:
1. A method for covalently labelling a target material comprising the steps of reacting together: i) a target material having at least one functional group selected from the group consisting of amino, hydroxyl, phosphoryl, carbonyl and sulphydryl groups; or having at least one reactive group that can covalently bond with said at least one functional group; and, ii) an amount of the compound (I) of formula: substituted by groups R wherein, R wherein, at least one of groups R R A is selected from O, S and NR where R′ is selected from hydrogen, a C X and Y may be the same or different and are selected from bis-C Z provided that when X and Y are other than carbon, at least one of R when X and Y are different and are selected from O and Se, at least one of R wherein said reacting is performed for a period of time sufficient to permit said at least one functional or reactive group of said fluorescent compound to covalently bond to said at least one reactive or functional group of said target material.