mekonnen sanka, Bruktawit; babu g, Neelaiah Major Advisor (PhD); teju, Endale Co-Advisor (PhD)
(Haramaya university, 2019-01)
Piperazine is a heterocyclic compound which has two nitrogen atoms at opposite positions in the six membered ring with extensive applications in various medical and industrial fields. In this study four novel 1,4-disubstituted ...