An unusual trans cleavage reaction was observed when trans-[Co(3,2,3-tet)Cl2]Cl (3,2,3-tet = N,N'-bis(3-aminopropyl)ethylenediamine), was allowed to react with beta-alanyl-L-histidine (a bioactive dipeptide) in an aqueous medium at pH approximately 7.5 and 45 degrees C for 6 h.
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