Crystal-to-crystal transformation from tri- to mononuclear Cu(II) complex with a sugar-derived ligand via proton transfer reaction and rearrangement of hydrogen bonding networks.

Abstract

Treatment of a glycosylamine derived Cu(II) complex with ethylamine resulted in crystal-to-crystal transformation from trinuclear complex [Cu3(L1)2(EtNH2)2(MeOH)2]x2MeOHxCHCl3 (2x2MeOHxCHCl3) to a dimeric structure of mononuclear complex [Cu(HL1)(EtNH2)] (3) through proton transfer reaction and rearrangement of hydrogen bonding networks. 

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