This helps to explain the predictions of the Woodward-Hoffman rules for thermal pericyclic reactions, which are summarized in the following statement: "A ground-state pericyclic change is symmetry-allowed when the total number of (4q+2)s and (4r)a components is odd"==Applications==CycloadditionsSigmatropic reactionsElectrocyclic reactions==List of books available in English==*"Theory of orientation and stereoselection "(1975)*"An Einstein dictionary", Greenwood Press, Westport, CT, by Sachi Sri Kantha ; foreword contributed by Kenichi Fukui (1996)*"Frontier orbitals and reaction paths : selected papers of Kenichi Fukui"(1997)*"The science and technology of carbon nanotubes" edited by Kazuyoshi Tanaka, Tokio Yamabe, Kenichi Fukui (1999)==References====Bibliography==* Bell J, Johnstone B, Nakaki S: The new face of Japanese science.
== فهرست کتاب‌های فوکویی به انگلیسی ==* "Theory of orientation and stereoselection "(1975)* "An Einstein dictionary", Greenwood Press, Westport, CT, by Sachi Sri Kantha ; foreword contributed by Kenichi Fukui (1996)* "Frontier orbitals and reaction paths: selected papers of Kenichi Fukui"(1997)* "The science and technology of carbon nanotubes" edited by Kazuyoshi Tanaka, Tokio Yamabe, Kenichi Fukui(199۹)== منابع ==* زندگی نامهٔ کنیچی فوکویی