Reaction barriers: origin and evolution

Article Abstract:

Overlap-driven coupling changes can cause enormous changes in reactivity. Strongly coupled systems with coupling constants in the range 0.8 - 0.9 are considered and the factors that control the radical-molecule barrier heights and reactivity are mentioned.

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Crown ethers: sensors for ions and molecular scaffolds for materials and biological models

Article Abstract:

Crown ethers are heterocycles that, in their simplest for, are cyclic oligomers of dioxane. These compounds can be applied as sensors for ions, molecular scaffolds for materials, biological models and shows no obvious limit in novel applications.

Crown ethers, Structure, Chemical properties

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Quantum chemical studies of intermediates and reaction pathways in selected enzymes and catalytic synthetic systems

Article Abstract:

High-level quantum chemical studies of reaction mechanisms are conducted. An assessment of related problems of intermediates and transition states for a wide variety of metalloenzymes is described.

Metalloenzymes, Chemical reactions

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