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Background

Heterocyclic ring compounds are not only ubiquitous in prime diversity of vital natural products and synthetic pharmaceuticals and thus highly important in organic synthesis. They have an extensive range of applications.  They are mainly used as veterinary products and as agrochemicals. They are also utilized as corrosion inhibitors, sanitizers, antioxidants, dye stuff and as copolymers. They are accustomed as an important source in the synthesis of bioactive organic compounds. Some natural products like antibiotics such as tetracyclines, cephalosporin, penicillin, aminoglycosides, alkaloids such as morphine, vinblastine, atropine, reserpine, tryptamine, reserpine etc. have heterocyclic constituent. Hence, synthesis of heterocyclic compounds from new procedures have been always demanding. Due to wide range of applications of heterocyclic compounds, this study is a survey of literature of last one decade, describing the methods for the heterocyclic ring formation from the oxime ether.

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