N-Benzyloxycarbonyl-substituted amino acids (HL) react with the copper(II) ion to form simple green complexes of formula [{CuL2(H2O)n}2](L =N-benzyloxycarbonyl-glycinate, -valinate, or -leucinate, n= 1; L =N-benzyloxycarbonylalaninate, n= 0), which show physical properties indicating a dimeric structure with strong antiferromagnetic interactions between the copper(II) ions within the pairs through a superexchange mechanism via bridging carboxylate groups. Exchange integrals (–2J) in the range 295–350 cm–1 were calculated.
Magnetic and spectroscopic properties of dimeric copper(II) complexes of N-benzyloxy carbonyl -substituted amino acid anions / Antolini, Luciano; Menabue, Ledi; Pellacani, Gian Carlo; Saladini, Monica; L. P., Battaglia; Corradi, Anna; Marcotrigiano, Giuseppe Onofrio. - In: JOURNAL OF THE CHEMICAL SOCIETY DALTON TRANSACTIONS. - ISSN 0300-9246. - STAMPA. - not available:(1984), pp. 2325-2326. [10.1039/DT9840002325]
Magnetic and spectroscopic properties of dimeric copper(II) complexes of N-benzyloxy carbonyl -substituted amino acid anions.
ANTOLINI, Luciano;MENABUE, Ledi;PELLACANI, Gian Carlo;SALADINI, Monica;CORRADI, Anna;MARCOTRIGIANO, Giuseppe Onofrio
1984
Abstract
N-Benzyloxycarbonyl-substituted amino acids (HL) react with the copper(II) ion to form simple green complexes of formula [{CuL2(H2O)n}2](L =N-benzyloxycarbonyl-glycinate, -valinate, or -leucinate, n= 1; L =N-benzyloxycarbonylalaninate, n= 0), which show physical properties indicating a dimeric structure with strong antiferromagnetic interactions between the copper(II) ions within the pairs through a superexchange mechanism via bridging carboxylate groups. Exchange integrals (–2J) in the range 295–350 cm–1 were calculated.
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