In this book, theory and practical knowledge of heterocyclic chemistry for UG, PG and research students who wish to choose a heterocyclic chemistry in their research careers are presented. The study introduces green chemistry approach, synthesis & characterization of cyanopyrimidine and xanthene derivatives which are synthesized by very simplest method, and step wise information about column chromatography. This book will provide great knowledge of the synthesis, properties, reactions and their mechanisms... Mehr