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Title: Coordination site discrimination in substituted bioessential purine ligands
Authors: Mishra, Ashutosh Kumar
Prajapati, Rajneesh Kumar
Verma, Sandeep
Keywords: Coordination chemistry;Metal-nucleobase frameworks;Adenine analogues;Purine ligands;Transition metals;Coinage metals;Silver;Copper
Issue Date: 3-Aug-2013
Abstract: The synthesis and crystallographic investigations of N6 and/or N9 substituted adenine analogues with coinage metal ions are described. While N6 disubstitution in an N9-unsubstituted adenine unit results in N3,N9-bidentate coordination mode resulting in a dinuclear motif, further substitution at N9 position directs the incoming metal to get coordinated at N3 position. However, N6,N9-monosubstituted adenine derivative, which relieves some steric hindrance at N6, allows for N7 coordination of copper ions.
Page(s): 1041-1046
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.52A(08-09) [August-September 2013]

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