This book has been delineate for the undergraduate, postgraduate and researcher in pharmaceutical chemistry. It has its own merit and excellence in comparison with other books. The fundamentals of subjects have been explained with abundance of illustration, tables, and spectra. It contains all the fundamentals concept and principles that a researcher should know about the different aspects of the synthesis and pharmacological screening of the pharmaceutical compounds and also provides spectral analysis of novel 1,3,4-oxadiazole derivatives. This book serves as a key to the researchers to pharmaceutical chemistry. The plan of this book simply arranged in elaborate & descriptive manner. The author sincerely believe that the synthetic schemes would definitely contribute to pharmaceutical chemistry to serve as an exclusive source for research work.