A sulfonamide compound of the formula (1):
wherein X is a hydrogen atom, an alkyl or alkoxy group which may be substituted, or a halogen atom, Y is an alkyl group having at least two fluorine atoms, and each of R1 and R2 which are independent of each other, is an alkyl group which may be substituted, or R1 may be bonded to X or R2 to form a ring a metal chelate compound of formula
wherein A1 is a residue forming, together with the carbon atom and the nitrogen atom to which A1 is bonded, a heterocyclic ring selected from the group consisting of thiadiazole, isoxazole, imidazole, pyrazole, thiazole, triazole and pyridine, X is a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom, Y is a C1-6 linear or branched alkyl group substituted by at least two fluorine atoms, and each of R1 and R2 which are independent of each other, is an alkyl group which, may be substituted, or R1 and R2 together form a ring and optical recording medium employing the metal chelate compound.
式(1)的磺酰胺化合物:
其中 X 是氢原子、可被取代的烷基或烷氧基或卤素原子,Y 是至少有两个
氟原子的烷基,R1 和 R2 各自独立,是可被取代的烷基,或 R1 可与 X 或 R2 键合以形成环式的
金属螯合物
其中 A1 是一个残基,与 A1 键合的碳原子和氮原子一起形成一个杂环,该杂环选自由
噻二唑、
异噁唑、
咪唑、
吡唑、
噻唑、三唑和
吡啶组成的组,X 是氢原子、烷基、烷氧基或卤素原子、Y 是至少被两个
氟原子取代的 C1-6 直链或支链烷基,R1 和 R2 中的每一个都是相互独立的烷基,可以被取代,或者 R1 和 R2 共同形成一个环,以及采用
金属螯合物的光学记录介质。