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Relevant academic research and scientific papers

Structural Reinforcement of a Large Macrocyclic Ligand. A Structural, Molecular Mechanics, and Thermodynamic Study

The complex of the macrocycles L5 (1,10-dioxa-4,7,13,16-tetra-azacyclo-octadecane), L6 (4,13-dioxa-1,7,10,16-tetra-azabicycloeicosane) and L7 (4,13-dioxa-1,7,10,16-tetra-azatricyclo7,10>docosane

CHELATOR COMPOSITIONS FOR RADIOMETALS AND METHODS OF USING SAME

A chelator having the general structure (I) for chelating radiometals such as 225Ac under mild conditions is provided. (I) The chelator can be coupled to a biological targeting moiety to facilitate targeted delivery of the chelated radiometal i

Synthesis and Evaluation of a Macrocyclic Actinium-225 Chelator, Quality Control and In Vivo Evaluation of 225Ac-crown-αMSH Peptide

Targeted alpha-therapy (TAT) has great potential for treating a broad range of late-stage cancers by delivering a focused and lethal radiation dose to tumors. Actinium-225 (225Ac) is an emerging alpha emitter suitable for TAT; however, the avai

A rare earth europium complex and its synthetic method

The embodiment of the invention discloses a rare earth europium complex and a synthetic method thereof. The method comprises the following steps: dispersing ligands L in ethyl alcohol to form a suspension liquid of the ligands L; adding NaOH into the susp

Design and synthesis of calcium and magnesium ionophores based on double-armed diazacrown ether compounds and their application to an ion-sensing component for an ion-selective electrode

The double-armed diazacrown ethers, which have a base diazacrown ether ring with two diamide-type side chains, were designed and synthesized on the basis of the proposed molecular model for the novel neutral Ca2+ and Mg2+ ionophores. The potentiometric ion-selective electrodes were prepared with over 20 kinds of systematically synthesized diazacrown ether derivatives. The relationship between the molecular structures of the ionophores and the ion selectivities was fully discussed. The electrodes based on the 21- and 18-membered diazacrown ether derivatives possessing a glycolic diamide and malonic diamide in their side chains (K23E1 and K22B5) exhibited excellent Ca2+ and Mg2+ selectivities, respectively. The ion-selectivity features of the novel Ca2+ and Mg2+ ionophores supply important structural information about the design of host molecules for alkaline earth metal cations.

Alkane Hydroxylation by a Manganese Analogue of the Iron Core from Methane Monooxygenase

A binuclear manganese(II/II) complex with a μ-hydroxo bridging ligand catalyses the hydroxylation of cyclohexane in the presence of tert-butyl hydroperoxide (TBHP).

Synthesis of 1,10-Dithia-4,7,13,16-tetra-azacyclo-octadecane, 1-aza-4,7-dithiacyclononane, and N,N'-1,2-Bis(1-aza-4,7-dithia-cyclononyl)ethane. Structural and Solution Studies of their Silver Complexes

The synthesis of the ligands 1-aza-4,7-dithiacyclononane, N,N'-1,2-bis(1-aza-4,7-dithiacyclononyl)ethane, and 1,10-dithia-4,7,13,16-tetra-azacyclo-octadecane and their silver(I) complexes are reported.Stability constants in water and methanol have been de

MACROCYCLIC POLYFUNCTIONAL LEWIS BASES-IX AZACROWN ETHERS

Several new diazacrown ethers and one tetraazacrown ether have been obtained.