![]() ![]() Yet, even while these new fields have been developing, remarkable advances in our understanding of basic organic chemical reactivity have continued to appear, exploiting classical physical organic tools and developing newer experimental and computational techniques. These newer disciplines have given physical organic chemists fertile ground in which to study the interrelationships of structure and reactivity. Finally, advances in supramolecular chemistry result from a deeper understanding of the physical organic chemistry of intermolecular interactions. Similarly, studies of polymers and other materials challenge chemists with problems that benefit directly from the techniques of physical organic chemistry. Organometallic chemistry traces its intellectual roots directly to physical organic chemistry, and the tools and conceptual framework of physical organic chemistry continue to permeate the field. Bioorganic chemistry is, to a considerable extent, physical organic chemistry on proteins, nucleic acids, oligosaccharides, and other biomolecules. New life has been breathed into the field because it has embraced newer chemical disciplines, such as bioorganic, organometallic, materials, and supramolecular chemistries. In our opinion, physical organic chemistry is alive and well in the early twenty-first century. This view ignores the fact that while the rigorous treatment of structure and reactivity in organic structures that is the field’s hallmark continues, physical organic chemistry has expanded to encompass other disciplines. There is a perception by some that chemists thoroughly understand organic reactivity and that there are no important problems left. Undeniably, physical organic chemistry has had some difficult times. Some would argue that the last century also saw the near death of the field. The twentieth century saw the birth of physical organic chemistry-the study of the interrelationships between structure and reactivity in organic molecules-and the discipline matured to a brilliant and vibrant field. ![]()
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