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Updated: Jul 25, 2025

Photogeneration of N-Heterocyclic Carbenes: Application in Photoinduced Ring-Opening Metathesis Polymerization
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Photogeneration of N-Heterocyclic Carbenes: Application in Photoinduced Ring-Opening Metathesis Polymerization

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一种光响应性黄金催化剂,基于亚博基功能化NHC连接物

Jianghua Liu1, Eduard O Bobylev1, Bas de Bruin1

  • 1Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat), Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam (UvA), Science Park 904, Amsterdam 1098XH, The Netherlands. j.n.h.reek@uva.nl.

Chemical communications (Cambridge, England)
|June 28, 2023
PubMed
概括

开发了一种新型的黄金催化剂,其中包括亚博和N-异环碳. 它在循环反应中的催化活性由光诱导的亚博的异构体变化控制,从而创建了一个可切换的催化剂系统.

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Photochemical Electrocyclic Reactions: Stereochemistry01:26

Photochemical Electrocyclic Reactions: Stereochemistry

The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
Selection Rules: Photochemical Activation
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