Consequences of Medium-Pore Zeolite Constraints for Alkene Cracking-The Case of n-Pentene.

Ruixue Zhao; Stefan Schallmoser; Gary L. Haller; Maricruz Sanchez‐Sanchez; Johannes A. Lercher

doi:10.1002/anie.4217298

April 30, 2026

Consequences of Medium-Pore Zeolite Constraints for Alkene Cracking-The Case of n-Pentene.

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Key Points

This research aims to understand how medium-pore zeolite constraints affect alkene cracking, focusing on n-pentene.
Investigated the role of extra-framework aluminum oxide in zeolite reactivity.
Analyzed the transition state shifts during alkene cracking processes.
Evaluated the impact of topology and local chemical environments on reaction outcomes.
Establishes alkene cracking as an enthalpy-entropy-controlled process.
Finds that the presence of aluminum oxide promotes higher reactivity by altering transition states.
Reveals that zeolite topology significantly impacts the cracking reactions.

Implication

Examines reactivity outcomes in alkene cracking, suggesting implications for zeolite design.

Abstract

, whereas extra-framework aluminum oxide promotes reactivity by entropically shifting the transition state to a later stage. Together, these results establish alkene cracking in zeolites as an enthalpy-entropy-controlled process dictated by topology and local chemical environment.

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Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/69f5952971405d493a000239 https://doi.org/10.1002/anie.4217298

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Consequences of Medium-Pore Zeolite Constraints for Alkene Cracking-The Case of n-Pentene.

Key Points

Implication

Abstract

Discussion

Cite This Study

Consequences of Medium-Pore Zeolite Constraints for Alkene Cracking-The Case of n-Pentene.

Key Points

Implication

Abstract

Discussion

Cite This Study

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