Dissected Nucleus-Independent Chemical Shift Analysis of π-Aromaticity and Antiaromaticity

Paul von Ragué Schleyer, Mariappan Manoharan, Zhixiang Wang, Boggavarapu Kiran, Haijun Jiao, Ralph Puchta, Nicolaas J. R. van Eikema Hommes

Organic Letters · 2001 · 953 citations · 29 references

Concepts

Abstract

Analysis of the basic π-aromatic (benzene) and antiaromatic (cyclobutadiene) systems by dissected nucleus-independent chemical shifts (NICS) shows the contrasting diatropic and paratropic effects, but also reveals subtleties and unexpected details.

References

29