Researchers in the fields of organic synthesis, pharmaceutical research as well as cosmetic and agrochemicals industries need to confirm the structures of products they obtain. This was previously a time-consuming a process that took up much time. Spectroscopic methods however, made it easier, and initially R and UV helped chemists conclude structures one way or another. Initially 1D NMR, 2D NMR and sophisticated NMR measurements like COESY and NOESY were of great assistance. We demonstrate principles to conclude structures of our simple molecules, mainly heterocycles of interest for researchers in fields indicated above.However, it is insufficient to only understand the principles, and one should also master problem solving and thinking. We demonstrate simple problems like the utility of coupling constants, NOE, COESY and NOESY and show how firm conclusions are obtained in real life. Most NMR books usually demonstrate these principles utilizing a pit sophisticated examples. The methodology suggested by us is simpler and quite useful for researchers in heterocyclic chemistry where combination of proton and carbon NMR should be dealt together.Our research results previously been used intensively (Cf. citations in Google Scholar) and still draw attention. Students in the fields indicated will find this book of value to sign the spectra of the molecules they synthesize. Researchers in the field of heterocyclic chemistry as well as instructors in the field of structure proof utilizing spectroscopic identification will also find this book of interest.
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