Japan Intellectual Property Rights: PYRAN COMPOUND, METHOD FOR PRODUCING THE SAME, COMPOSITION FOR ELECTRO-OPTICS, ELECTRO-OPTICAL FILM, AND ELECTRO-OPTICAL ELEMENT

Japan, Sept. 16 -- SAGAMI CHEMICAL RESEARCH INSTITUTE has got intellectual property rights for 'PYRAN COMPOUND, METHOD FOR PRODUCING THE SAME, COMPOSITION FOR ELECTRO-OPTICS, ELECTRO-OPTICAL FILM, AND ELECTRO-OPTICAL ELEMENT.' Other related details are as follows:

Application Number: JP,2023-005425

Category (FI): C07D493/04,G02F1/061,501,C07D493/04,101@C

Stage: PROBLEM TO BE SOLVED: To provide a pyran compound having high heat resistance and a method for producing the same, and to provide a composition for electro-optics, an electro-optical film, and an electro-optical element containing the compound.SOLUTION: The pyran compound is represented by the following general formula (1) (where Ar represents a C6-18 aromatic hydrocarbon group or...