Short-bite diphosphines of the form RP-X-PR (PXP; X = O, S; R = aryl, alkyl), incorporating an oxygen or sulphur atom as bridging unit X, are widely underexplored compared to their N- and C-containing PNP- and PCP-type counterparts. However, these PXP ligands undergo an interesting phosphorotropic equilibrium with the PPX (RP(X)-PR) tautomer, which opens up a very versatile coordination chemistry. This article covers the impact of the ligand backbone in short-bite ligands on their coordination chemistry, reactivity and applications. Especially in PXP-type complexes, metallophillic interactions can be induced in the case of coinage metals, which lead to fascinating photo-optical properties. Furthermore, PPX/PXP-type complexes are believed to exhibit a promising behavior in catalysis, due to the potential hemilability of the ligand and the therewith involved availability of free active sites for substrate binding.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1039/d4dt02497d | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Donor/Acceptor Ligands Based on an -Terphenyl Motif to Achieve Thermally Activated Delayed Fluorescence in Zn(II) Complexes.
Inorg Chem
January 2025
Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States.
The photophysical properties of six new luminescent tetrahedral Zn(II) complexes are presented that survey two electronic donor moieties (phenolate and carbazolate) and three electronic acceptors (pyridine, pyrimidine, and pyrazine). A unique ligand based on an -terphenyl motif forms an eight-membered chelate, which enhances through-space charge-transfer (CT) interactions by limiting through-bond conjugation between the donor and acceptor. A single isomeric product was obtained in yields up to 90%.
View Article and Find Full Text PDFPrograming Green Light-Responsive Hydrogels: from Photo-Weakening to Photo-unresponsiveness and Photo-Strengthening.
Chemistry
January 2025
University of Münster, Institute of Physiological Chemistry and Pathobiochemistry, Waldeyerstr. 15, 48149, Münster, GERMANY.
Light-responsive hydrogels are highly valued for their dynamic mechanical properties and biocompatibility. In this study, we present a hydrogel system that can either soften or strengthen on green light exposure, or remain unresponsive to light, depending on the addition of adenosyl cobalamin (AdoCbl) and Co2+. These protein-based hydrogels were formed using genetically encoded SpyTag-SpyCatcher chemistry and included green light-sensitive CarHc protein domains.
View Article and Find Full Text PDFRevealing the Monooxygenase Mechanism for Selective Ring Cleavage of Anthraquinone by BTG13 through Multiscale Simulations.
Chembiochem
January 2025
Renmin University of China, Chemistry, No.59 Zhongguangcun Street, Haidian District, 100872, Beijing, CHINA.
BTG13, a non-heme iron-dependent enzyme with a distinctive coordination environment of four histidines and a carboxylated lysine, has been found to catalyze the cleavage of the C4a-C10 bond in anthraquinone. Contrary to typical dioxygenase mechanisms, our quantum mechanical/molecular mechanical (QM/MM) calculations reveal that BTG13 functions more like a monooxygenase. It selectively inserts an oxygen atom into the C10-C4a bond, creating a lactone species that subsequently hydrolyzes, leading to the formation of a ring-opened product.
View Article and Find Full Text PDFQuantifying Magnetic Anisotropy of Series of Five-Coordinate Co Ions: Experimental and Theoretical Insights.
Adv Sci (Weinh)
January 2025
Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, Maharashtra, 400076, India.
Stabilizing large easy-axis type magnetic anisotropy in molecular complexes is a challenging task, yet it is crucial for the development of information storage devices and applications in molecular spintronics. Achieving this requires a deep understanding of electronic structure and the relationships between structure and properties to develop magneto-structural correlations that are currently unexplored in the literature. Herein, a series of five-coordinate distorted square pyramidal Co complexes [Co(L)(X)].
View Article and Find Full Text PDFMechanistic study of the adsorption capabilities of heavy metals on the surface of ferrihydrite: batch sorption, modeling, and density functional theory.
RSC Adv
January 2025
Gansu Zhongshang Food Quality Test and Detection Co., Ltd Lanzhou 730010 China.
Ferrihydrite (Fh), a widely distributed mineral in the environment, plays a crucial role in the geochemical cycling of elements. This study used experimental and computational approaches to investigate the adsorption behavior of seven heavy metal ions on Fh. The pH edge analysis revealed that the adsorption capacity followed the order: Pb > Cu > Zn > Cd > Ni > Co > Mn, with Pb showed the highest adsorption.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!