SULFONIC UREA DERIVATIVES

摘要

The sulfonylurea derivatives having an erythro stereoisomer for substituents is described in the following structure of formula (I), wherein P and Q are the same or different, and are each CH or N, the aromatic ring having P and Q is benzene and pyridine ring, R is H or Ra-CO-, Ra-Xa-CO-, wherein Ra is C1-C4 alkyl, C1-C3 haloalkyl, C2-C4 alkenyl or C2-C4 alkinyl, Xa is oxygen or sulfur, NH is NRa, R' is H or CH3, X and Y are independently C1-C2 alkyl, C1-C2 -alkoxy, C1-C2 -haloalkoxy or halogen.