Kate J. Akerman

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Topoisomerase IB (Top1) is a key eukaryotic nuclear enzyme that regulates the topology of DNA during replication and gene transcription. Anticancer drugs that block Top1 are either well-characterized interfacial poisons or lesser-known catalytic inhibitor compounds. Here we describe a new class of cytotoxic redox-stable cationic Au(3+) macrocycles which,(More)
The reaction between [PtCl(terpy)]·2H(2)O (terpy is 2,2':6',2''-terpyridine) and pyrazole in the presence of two equivalents of AgClO(4) in nitromethane yields the title compound, [Pt(C(3)H(4)N(2))(C(15)H(11)N(3))](ClO(4))(2)·CH(3)NO(2), as a yellow crystalline solid. Single-crystal X-ray diffraction shows that the dicationic platinum(II) chelate is square(More)
The reaction between [Pt(terpy)Cl]·2H(2)O (terpy = 2',2'':6',2''-terpyridine) and 1-methyl-imidazole (MIm) in the presence of two equivalents of AgClO(4) in nitro-methane yields the title compound, [Pt(C(15)H(11)N(3))(C(4)H(6)N(2))](ClO(4))(2)·CH(3)NO(2). The dicationic complexes are arranged in a staggered configuration. The torsion angle subtended by the(More)
The title compound, C16H20N4·H2O, was synthesized from cis-1,2-diamino-cyclo-hexane (a racemic mixture of the (1R,2S) and (1S,2R) enanti-omers). The compound crystallized with two mol-ecules (A and B) in the asymmetric unit with a single water solvent mol-ecule per Schiff base mol-ecule. Mol-ecules A and B have similar conformations as illustrated by the(More)
The Schiff base enaminones (3Z)-4-(5-ethylsulfonyl-2-hydroxyanilino)pent-3-en-2-one, C13H17NO4S, (I), and (3Z)-4-(5-tert-butyl-2-hydroxyanilino)pent-3-en-2-one, C15H21NO2, (II), were studied by X-ray crystallography and density functional theory (DFT). Although the keto tautomer of these compounds is dominant, the O=C-C=C-N bond lengths are consistent with(More)
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