A great deal of research carried out in chemistry is devoted to the study of heterocyclic chemistry. It is a vast and expanding area of chemistry because of the obvious applications of compounds derived from heterocyclic rings in pharmacy, medicine, agriculture and other fields. Several updated reviews on specific topics are available nowadays. First, our experience and the critics who pointed out to the need of written form the book for importance of 4,5,6,7-tetrahydrothieno 3,2-c]pyridine (THTPs). The work has been designed as a book for a complete introduction about the THTPs which can be...