Piperazines as nootropic agents: New derivatives of the potent cognition-enhancer DM235 carrying hydrophilic substituents.

Abstract:

:The piperazine ring of the potent nootropic drug DM235 has been decorated with H-bond donor and acceptor groups (CH2OH, CH2OMe, CH2OCOMe, COOEt); the aim was to insert new functional groups, suitable for further chemical manipulation. The influence of these modifications on nootropic activity was assessed by means of the mouse passive avoidance test; some of the newly synthesized molecules (alcohol 7b, acetate 8b and ester 10d) showed interesting in vivo potency. This makes it possible to use these functional groups for adding other residues, in order to increase molecular diversity, or for anchoring a biotin group, to obtain compounds useful to capture the biological target. Moreover, the new compounds will improve our knowledge of structure activity relationships of this family of drugs.

journal_name

Bioorg Med Chem

authors

Martino MV,Guandalini L,Di Cesare Mannelli L,Menicatti M,Bartolucci G,Dei S,Manetti D,Teodori E,Ghelardini C,Romanelli MN

doi

10.1016/j.bmc.2017.02.019

subject

Has Abstract

pub_date

2017-03-15 00:00:00

pages

1795-1803

issue

6

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(16)31459-6

journal_volume

25

pub_type

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