Formation of polynuclear architectures with copper atoms and 1,1-cyclohexanediacetate anions |
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| Authors: | N V Zauzolkova M E Nikiforova A A Sidorov I A Apolonskaya M V Fedin V V Minin A V Rotov E A Ugolkova M A Kiskin G G Aleksandrov V M Novotortsev I L Eremenko |
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| Institution: | 1. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991, Moscow, Russian Federation
2. International Tomography Center, Siberian Branch of the Russian Academy of Sciences, 3a ul. Institutskaya, 630090, Novosibirsk, Russian Federation
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| Abstract: | The reaction of copper nitrate Cu(NO3)2·3H2O with potassium salt of 1,1-cyclohexanediacetic acid (H2CHDAA) in an EtOH-toluene mixture affords the polymeric complex {(EtOH)2Cu2(CHDAA)2]·EtOH n (1). The addition of pyridine to the Cu(NO3)2·3H2O-K2CHDAA reaction system in an EtOH-MeCN mixture results in the isolation of the unusual octadecanuclear heterometallic cluster K2(η1-H2O)6(η1-py)8Cu16-(η1-OH)2(μ4-CHDAA)16]·EtOH·MeCN·3H2O (2). In complex 2, the hexadecanuclear metal carboxylate dianion (η1-H2O)6(η1-py)8Cu16(η1-OH)2(μ4-CHDAA)16 acts as the metal-containing macropolycyclic ligand. The newly synthesized compounds 1 and 2 were characterized by X-ray diffraction and EPR. |
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