الفهرس 
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Abstract
Candidate Name: Ahmed Sobhy Fawzy Abd El-Gayed
Title of Thesis: Synthesis and characterization of some interesting Heterocyclic compounds containing non-mixed and mixed systems.
This thesis describe the behavior of β-(1-naphthoyl) acrylic acid toward different Nitrogen, sulfur and carbon nucleophiles under conditions of Michael addition reaction, and using the resulting Michael adducts to build novel interesting heterocycles, furthermore using β-(1-naphthoyl) acrylic acid as a building block in some multicomponent cycloaddition reactions to design new spiro-heterocycles with expected biological activities.
Key Words: β aroyl acrylic acid, Michael Reaction, Pyridazinone, Oxazinone, Furanone, Thiadiazole, Spiro Heterocycle and Antibacterial activity