Patent ID: 8107150
Filing Date: 2012-01-31
Classification: C07D,C07F,C09K

Abstract:
1. A photochromic diarylethene-containing coordination compound in which the diarylethene contains part of a mono- or poly-cyclic ring structure with one or more donor atom(s) or heteroatom(s) coordinated to a coordination unit [M], which contains an acceptor atom, M, expressed by the general formula (I): where unit B represents a mono- or poly-cyclic ring structure wherein the diarylethene moiety is a five membered ring having at least one nitrogen and that contains one or more donor atom(s) or heteroatom(s) X, n is integer from 0 to 3, [M] represents a coordination unit containing an acceptor atom M and excludes magnesium phthalocyanine, zinc phthalocyanine, metalloprophyrins and metalloazaporphrins, R