Concepedia

Equilibrium and Kinetic Deuterium Isotope Effects on the Hetero‐Diels–Alder Addition of Sulfur Dioxide

Frédéric Monnat, Pierre Vogel, Rubén Meana, J. Sordo

Angewandte Chemie International Edition · 2003 · 15 citations · 24 references

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Abstract

The CS bond is formed to a greater extent than the CO bond in the transition state of the [4+2] cycloaddition of SO2 to dimethylidenecyclohexane (see scheme). Both deuterium isotope effects and quantum calculations lead to this conclusion.

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