SYNTHESIS AND SEDATIVE-HYPNOTIC ACTIVITY OF NOVEL SERIES OF ISATIN HYDRAZONE AND ISATIN THIOSEMICARBAZONE DERIVATIVES
K.Swathi*and M. Sarangapani
ABSTRACT
In the present work, some new 5-[2(3)-dialkylamino alkoxy] Indole 3-
thiosemicarbazone 2-ones and 5-[2(3)-dialkylamino alkoxy] Indole 3-
hydrazone 2-ones were prepared from 5-hydroxy isatin. The structures
of the products were characterized by IR, NMR, MASS Spectral
studies. Thus synthesized and characterized targeted compounds were
further screened for their Sedative-Hypnotic activity by using
Potentiation of Pentobarbitone induced Narcosis method. Among all
the newly synthesized derivatives, Compound IIIa, IIIb and Compound
Va,Vb potentiated the sedative-hypnotic activity very significantly ,
thus these compounds showed promising activity and compounds IIIb
and Vb showed moderate sedative-hypnotic activity.
Keywords: Synthesis, 5-[2(3)-dialkyl amino alkoxy] Indole 3-hydrazone 2-one, 5-[2(3)- dialkylamino alkoxy] Indole 3-thiosemicarbazone 2-ones, Sedative-Hypnotic Activity.
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