Assistant Professor in Organic Chemistry, Chemistry Department, College of Education, Iraq
*Corresponding Author E-mail: dr.nagham_mj@yahoo.com
Online published on 10 February, 2015.
In this survey, all types of cyclic compounds (aliphatic and aromatic) which containing one or more heteroatoms like (sulfur, nitrogen, oxygen, selenium,) various Membered Rings, methods of preparations, reactions, stability, strain of angle, some of applications, comparison of stability, nomenclature.
Types of cycles, hetero atom, heteroaromatic, organometallic
