Insights into the Factors Controlling the Origin of Activation Barriers in the [2 + 2] Cycloaddition Reactions of Heavy Imine-like Molecules Featuring a Ge=Group 15 Double Bond with Heterocumulenes.

Molecules · 2025 · PMC12073406 · PMID 40363712

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an increasing trendno p-value reported

Additionally, the Gibbs free reaction energies (Δ G RXN , kcal/mol) for the [2 + 2] cycloaddition between N=C=N and Ge=G15-Rea exhibit an increasing trend: Ge=N-Prod (−41.4) < Ge=P-Prod (−23.2) < Ge=As-Prod (−17.7) < Ge=Sb-Prod (−14.9) < Ge=Bi-Prod (−11.0).

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