Optical recording medium and dipyrromethene metal chelate compound for use therein

本文公开了在底物上具有至少一记录层和反射层的新的光学记录介质，其中在记录层中包含至少一种式(1)代表的二吡咯甲烷金属螯合物。其中R#-[1]和R#-[9]各自独立地为链烯基、芳基或杂芳基；R#-[2]至R#-[8]各自独立地为氢原子、卤原子、或具有20或更少碳原子的取代或未取代的烷基、烷氧基、链烯基、酰基、烷氧基羰基、芳烷基、芳基或杂芳基；M为过渡金属。∴ A novel optical recording medium having at least a recording layer and a reflective layer on a substrate is herein disclosed, wherein at least one dipyrromethene metal chelate compound represented by formula (1) is contained in the recording layer: wherein R1 and R9 are each independently an alkenyl group, an aryl group or a heteroaryl group; R2 to R8 are each independently a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl, alkoxy, alkenyl, acyl, alkoxycarbonyl, aralkyl, aryl or heteroaryl group having 20 or less carbon atoms; and M is a transition metal.