Rhodium-Catalyzed Intermolecular Cycloaromatization Route to Cycloparaphenylenes that Exhibit Aggregation-Induced Emission

Autor:	WANG, Li-Hsiang, Wang, Li-Hsiang, Nagashima, Yuki, Abekura, Masato, UEKUSA, hidehiro, Konishi, Gen-ichi, Tanaka, Ken
Rok vydání:	2022
Předmět:	Organic Chemistry General Chemistry Catalysis
Zdroj:	Chemistry (Weinheim an der Bergstrasse, Germany). 28(21)
ISSN:	1521-3765
Popis:	A high-yielding new route to substituted cycloparaphenylenes has been developed via reductive aromatization of a diyne bearing two cyclohexadiene units giving a cyclophenylene-ethynylene (CPE) followed by the cationic rhodium(I)/dppe complex-catalyzed intermolecular [2+2+2] cycloaddition (cycloaromatization) of the CPE with monoynes. The thus-obtained products, substituted [8]cycloparaphenylene-triphenylenes ([8]CPPTs), exhibited definite aggregation-induced emission (AIE). This molecule is noteworthy as a novel AIE-active cycloarylene that does not have well-known AIE luminogens, such as tetraphenylethene and 1,2,4,5-tetraphenylbenzene skeletons. The single-crystal X-ray diffraction analyses of the AIE-active [8]CPPTs revealed their highly ordered packing structures in which the rotation of the triphenylene moieties is restricted.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dc177973a166a62a205585d5db888b5 https://pubmed.ncbi.nlm.nih.gov/35194855 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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