| abstract |
(57) [Summary] The present invention relates to a compound represented by the following general formula (I) by adding diazabicyclo [2.2.2] octane (DABCO). Wherein Ar 1 represents a substituted or unsubstituted aryl or heterocyclyl, respectively, X represents hydrogen, fluorine, chlorine or bromine, and L 1 -L 5 are defined by claim 1. And a novel method for producing a known asymmetric 4,6-bis (aryloxy) pyrimidine derivative. |