Provided are: a compound which makes it possible to produce an oxazoledicarboxylic acid compound on an industrial scale at low cost; a method for producing the compound; and a method for producing anoxazoledicarboxylic acid compound using the aforementioned compound. A compound represented by general formula (1). In general formula (1), R1 and R2 independently represent a hydrogen atom, a lithiumatom, a sodium atom or a potassium atom; and the ring A represents a bivalent aromatic hydrocarbon group which may have a substituent.