Facile N9-Alkylation of Xanthine Derivatives and Their Use as Precursors for <i>N</i>-Heterocyclic Carbene Complexes

The xanthine-derivatives 1,3,7-trimethylxanthine, 1,3-dimethyl-7-benzylxanthine and 1,3-dimethyl-7-(4-chlorobenzyl)xanthine are readily ethylated at N9 using the cheap alkylating agents ethyl tosylate or diethyl sulfate. The resulting xanthinium tosylate or ethyl sulfate salts can be converted into...

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Autores principales:	Moloud Mokfi, Jörg Rust, Christian W. Lehmann, Fabian Mohr
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	MDPI AG 2021-06-01
Colección:	Molecules
Materias:	xanthines <i>N</i>-heterocyclic carbenes X-ray structures
Acceso en línea:	https://www.mdpi.com/1420-3049/26/12/3705
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