Transition metal compounds of the purinic isomer allopurinol. Part 1

Acevedo‐Chávez, Rodolfo; Barba-Behrens, Noráh

doi:10.1007/bf01040771

Cited by 4 publications

(2 citation statements)

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“…The ν Cu - Cl and ν Cu - N vibrational modes could be associated to the broad and complex bands centered at 290 cm -1 and 242 cm -1 respectively. Finally, the spectral data for this compound show differences with respect to that for Cu(allopurinol) 2 (Cl) 2 (H 2 O) 2 , previously synthesized in ethanolic medium, for which the coordination of H 2 O molecules was suggested.…”

Section: Resultsmentioning

confidence: 55%

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Allopurinol− and Hypoxanthine−Copper(II) Compounds. Spectral and Magnetic Studies of Novel Dinuclear Coordination Compounds with Bridging Hypoxanthine

1996

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The synthesis in aqueous solution and pH = 1.0 of several novel Cu(II) compounds with allopurinol and hypoxanthine as heterocyclic ligands and X = Cl(-), Br(-), NO(3)(-), SO(4)(2-), and ClO(4)(-) as anions, together with their spectral and magnetic characterization, is reported. The studies of the Cu(II) systems with these heterocycles and Cl(-) or Br(-) support their Cu(II)(L)(2)(X)(2) character and their interactions through halogen atoms as bridging ligands, leading to a very weak antiferromagnetic coupling. For the Cu(II) compounds with hypoxanthine and X = NO(3)(-), SO(4)(-), or ClO(4)(-), new examples of the cupric acetate type are obtained, showing in all cases similar strong antiferromagnetic coupling. These three cases are new examples of the scarce Cu(II) dinuclear compounds with bridging hypoxanthine which have been reported up to now.

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Section: Resultsmentioning

confidence: 55%

“…(C) IR Spectral Results. IR bands characterization of free allopurinol and hypoxanthine − was employed in this study. A meticulous and systematic comparison between the bands of these respective ligands and those of the Cu(II) compounds was carried out.…”

Section: Resultsmentioning

confidence: 99%