反应详情

Starting from 3-bromophenyllithium, 4-chloropyridine and chloroformic acid phenyl ester (for the acylation of the pyridine nitrogen), the title compound is prepared analogously to J. Org. Chem. 50, 4410 (1985). A corresponding 1-acyl-1,2-dihydropyridine is formed as intermediate and is aromatised by reaction with o-chloroanil (=3,4,5,6-tetrachloro-1,2-benzoquinone) to form the title compound.