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Supramolecular arrangements based on cyclohexane-5-spirohydantoin derivatives

AuthorsGraus, Sara; Casabona, Diego; Uriel, Santiago; Cativiela, Carlos ; Serrano, José Luis
Issue Date2010
PublisherRoyal Society of Chemistry (UK)
CitationCrystEngComm 12(10): 3132-3137 (2010)
AbstractThe preparation of 8-methoxy-2,4-dioxo-1,3-diazaspiro[4.5]decane (1), 8-butoxy-2,4-dioxo-1,3-diazaspiro[4.5]decane (2), ethyl-2,4dioxo-1,3-diazaspiro[4.5]decane-8-carboxylate (3), 8-tert-butyl-2,4-dioxo-1,3-diazaspiro[4.5]decane (4) is described. The relationship between the molecular structure and crystal structure of 1, 3, 4 and 2,4-dioxo-1,3-diazaspiro[4.5]decane-8-carboxylic acid (5) is discussed. Crystallographic analysis shows that the crystals do not contain solvent molecules and highlights the role that the substituents on the cyclohexane ring play in supramolecular arrangements. Although the R22 (8) (CONH)2 hydrogen bond ring is generally retained, two types of structures have been defined as a function of the interactions between hydantoin rings, with Type I and Type II formed by dimers and ribbons, respectively.
Description6 páginas, 6 figuras, 3 tablas.
Publisher version (URL)http://dx.doi.org/10.1039/C001232G
Appears in Collections:(ICMA) Artículos
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