Review Article

Establishing Natural Nootropics: Recent Molecular Enhancement Influenced by Natural Nootropic

Figure 2

Nicotiana mutabilis. The plant is classified under the family of Solanaceae and contains nicotine as psychoactive compound (a). Compound A, syn-5-isobutoxy-2-phenyl-3-(3-pyridyl)-isoxazolidine (b), and compound B, syn-2,5-diphenyl-3-(3-pyridyl)-isoxazolidine (c), are example of synthesised nootropics derived from nicotine for learning and memory purposes [122].
(a)
(b)
(c)