| abstract |
(57) [Problem] To provide a method for producing a chalcogenopyrilium compound easily and with good yield. SOLUTION: The method for producing a chalcogenopyrylium compound represented by the following general formula (1), characterized by using a substituted acetylene compound. Embedded image [In the formula, X represents a sulfur, selenium, or tellurium atom. R 1 and R 2 each independently represent a substituent, and A represents the following general formula (2-1) or general formula (2-2) Represents any of the following. [Chemical formula 2] [In the formula, R 11 , R 12 , R 21 and R 22 each independently represent a substituent, and X 1 and X 2 represent any one of a sulfur, selenium, and tellurium atom. ] |