Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms. Organic synthesis is, at its core, an endeavor in composition, and, as such, is a creative field of almost limitless scope, especially when applied to complex molecules whose primary element is carbon, collectively known as organic compounds. Organic-chemical synthesis performed through one-pot, tandem, domino or cascade reactions have become a significant area of research in organic chemistry since such processes improve atom economy. Cascade reactions constitute a fascinating branch of organic chemistry, and one which has been the subject of intense research in recent years.