4-[4-Oxo-8-(2-trimethylsilanyl-ethoxymethoxy)-3-(2-trimethylsilanyl-ethoxymethyl)-3,4-dihydro-quinazolin-6-yl]-benzoic acid 、
4,4-二氟哌啶 以The title compound (0.02 g) was obtained as a light grey solid in analogy to example 97b/c from 4-[4-oxo-8-(2-trimethylsilanyl-ethoxymethoxy)-3-(2-trimethylsilanyl-ethoxymethyl)-3,4-dihydro-quinazolin-6-yl]-benzoic acid and 4,4-difluoropiperidine的产率得到6-[4-(4,4-difluoro-piperidine-1-carbonyl)-phenyl]-8-hydroxy-3H-quinazolin-4-one