1,2-Dioxetane derivative fused to pyran ring and use thereof

摘要

A 1,2-dioxetane derivative represented by the general formula: wherein R<1>, R<2>, R<3>, R<4>, R<5>, R<6> and R<7> each independently represents hydrogen atom, an alkyl group, or an aryl group, or one or more than one pair of R<2> and R<3>, R<4> and R<5>, and R<6> and R<7> can together form a cyclic alkyl group. The compound is easily handled because the compound itself is very stable, and it is capable of emitting light with a very high efficiency.