16.6 Cycloaddition Reactions

Course Menu
Chad's Organic Chemistry Master Course

Quizzes, Study Guides, Chapter Tests, Final Exam Reviews, Practice Final Exams, and More!

Frontier Molecular Orbital Theory for Cycloaddition Reactions

Frontier Molecular Orbital Theory (FMO Theory)
Number of Pi Electrons Thermal Photochemical
4n + 2
(Odd # of Pairs)
Supra-Supra Allowed
Supra-Antara Forbidden
Supra-Antara Allowed
Supra-Supra Forbidden
4n
(Even # of Pairs)
Supra-Antara Allowed
Supra-Supra Forbidden
Supra-Supra Allowed
Supra-Antara Forbidden
Thermal (Δ) Photochemical (hν)
predict the products of cycloaddition reactions 01

Indicate whether this product is the result of a suprafacial/suprafacial or suprafacial/antarafacial transition state and whether it is allowed or forbidden.

cycloaddition reactions 04