Q. Li et al., STUDIES ON THE ANTITUMOR 2,6-PIPERAZINEDIONES - SYNTHESIS OF 2,3-DIACETOXY-4-CARBOMETHOXY-(3',5'-DIOXO-N-4' SUBSTITUTED PIPERAZINYL METHYL)BENZENE, Die Pharmazie, 50(7), 1995, pp. 447-449
The title compounds having the structure of etoxy-4-carbomethoxy-(3',5
'-dioxo-N-4'-substituted piperazinyl methyl) benzene were synthesized
from 2-hydroxy-3-methoxybenzaldehyde in eight steps. Compound 9h showe
d a potent inhibitory effect against P388 leukemia cells in vitro.