Palla Sai Lakshmi, P. Shankaraiah
2023
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Journal
Asian Journal of Chemistry
Abstract
A series of novel substituted-(E)-2-benzylidene-N-(3-(3-oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4- yl)propyl)hydrazine-1-carbothioamides (9a-j) was synthesized in satisfactory to excellent yield by reacting (Z)-N′-benzylidene hydrazine carbothioamides (8a-j) with 4-(3-bromo-propyl)-2H-benzo[b][1,4]oxazin- 3(4H)-one (5) in K2CO3 and dry N,N-dimethyl formamide. The novel carbothioamides (9a-j) structures were confirmed using 1H NMR, IR and mass spectroscopic methods