3-Benzyloxy-1-ethyl-6-fluoro-7-(4-methyl-piperazin-1-yl)-1H-quinazoline-2,4-dione 、
氢气 在
Pd barium sulfate 作用下,
以
四氢呋喃 为溶剂,
反应 60.0h,
以to afford 0.1 g of the title compound as a solid, mp 132-134° C.的产率得到1-Ethyl-6-fluoro-3-hydroxy-7-(4-methyl-piperazin-1-yl)-1H-quinazoline-2,4-dione