SCHEDULED MAINTENANCE
Controllable synthesis of two adenosine 5′-monophosphate nucleotide coordination polymers via pH regulation: crystal structure and chirality†
Hui
Li 
*a
*a
Abstract
Two types of Cu(II)–AMP–4,4′-bipy coordination polymers, {[Cu(AMP)(4,4′-bipy)(H2O)3]·5H2O}n (1) and {[Cu2(HAMP)2(4,4′-bipy)2(H2O)4]·2NO3·11H2O}n (2) (Na2AMP = adenosine 5′-monophosphate disodium salt), were synthesised through pH control. X-ray single-crystal diffraction analysis revealed that 1 and 2 are one-dimensional (1D) coordinating coordination polymers. The nucleotide in 1 was not protonated whereas that in 2 was protonated. With the protonated NO3− in 2 entering the crystal lattice, it plays a role in balancing the charge. The chirality was studied using solid-state circular dichroism (CD) spectroscopy based on the analysis of crystal structures.
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