NOVEL CYCLIC SQUARAMIDE DERIVATIVES

摘要

Compounds represented by general formula (1) or salts thereof. In general formula (1), A is an aromatic hydrocarbon ring or an aromatic heterocycle (with the ring and the heterocycle being optionally substituted); R1 to R11 may be the same or different and are each a hydrogen atom, a halogen atom, hydroxyl, mercapto, amino, or the like; R1 and R2 may be united to form a hydrocarbon ring or a heterocycle (with the ring and the heterocycle being optically substituted); X1 and X2 may be the same or different and are each an oxygen atom, a sulfur atom, or NR3; Y is CO, CS, CNR4, -CR5R6-, -CR5R6CR7R8-, or -CR5R6CR7R8CR9R10-; one of R5 to R10 together with R3 may form an optionally substituted heterocycle; Z is a chalcogen atom or NR11; and the broken line represents a single bond or a double bond.