Chapters authored
Phenacyl Bromide: An Organic Intermediate for Synthesis of Five- and Six-Membered Bioactive Heterocycles
An environmentally friendly, economic synthetic protocol was advanced for synthesis of biologically and pharmacologically vital five- and six-membered heterocycles containing nitrogen, sulphur and oxygen as heteroatom. A series of thiazole derivatives was prepared by the reaction of substituted phenacyl halides and phenyl thiourea in the presence of TiO2 nanoparticles (NPs) as nanocatalyst in DCM. Similarly, another series of six-membered heterocyclic compounds were synthesized by the reaction of phenacyl halides with phenylenediamine, 2-aminophenol, 2-aminobenzenethiol to produce corresponding products (1,4-quinoxaline, benzoxazine, benzothiazine) under catalytic effect of TiO2nanocatalyst. Analytical and spectral (FTIR, 1H and 13C NMR and SEM) techniques were employed for the structural elucidation of the synthesized compounds.
Part of the book: Heterocycles