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Part I: A novel series of bridging ligands and their RuII photosensitizer-catalyst dyads have been prepared and characterized by NMR and electronic absorption spectroscopy as well as cyclic voltammetry. The presence of asymmetry in the ligands facilitated selective metal coordination, which greatly enhanced the ease of the preparation of the dyads. The photophysical properties of the photosensitizers and the photosensitizer-catalyst dyads were also studied. All the photosensitizers were found to be strong fluorescent emitters while the extremely weak emission of the dyads suggested quenching by either energy or electron transfer. The water oxidation activities of the dyads have been evaluated under both light and CeIV activated conditions. The dyads were found to be active under CeIV activated conditions. Electrochemical studies also suggest that these systems may be used as catalysts for photoelectrochemical water oxidation. Part II: A novel dinuclear RuII water oxidation catalyst has been prepared. Its properties and catalytic activity have been evaluated and compared with an analogous system previously reported by our group. These catalysts are active under both light and CeIV activated conditions. A mononuclear analog of the new dinuclear catalyst has also been prepared and evaluated for its activity in order to examine the role of the RuII centers in the dinuclear catalyst. Incorporation of the second RuII center was found to greatly enhance the catalytic activity with respect to the mononuclear system.
Modern Inorganic Synthetic Chemistry, Second Edition captures, in five distinct sections, the latest advancements in inorganic synthetic chemistry, providing materials chemists, chemical engineers, and materials scientists with a valuable reference source to help them advance their research efforts and achieve breakthroughs. Section one includes six chapters centering on synthetic chemistry under specific conditions, such as high-temperature, low-temperature and cryogenic, hydrothermal and solvothermal, high-pressure, photochemical and fusion conditions. Section two focuses on the synthesis and related chemistry problems of highly distinct categories of inorganic compounds, including superheavy elements, coordination compounds and coordination polymers, cluster compounds, organometallic compounds, inorganic polymers, and nonstoichiometric compounds. Section three elaborates on the synthetic chemistry of five important classes of inorganic functional materials, namely, ordered porous materials, carbon materials, advanced ceramic materials, host-guest materials, and hierarchically structured materials. Section four consists of four chapters where the synthesis of functional inorganic aggregates is discussed, giving special attention to the growth of single crystals, assembly of nanomaterials, and preparation of amorphous materials and membranes. The new edition’s biggest highlight is Section five where the frontier in inorganic synthetic chemistry is reviewed by focusing on biomimetic synthesis and rationally designed synthesis. Focuses on the chemistry of inorganic synthesis, assembly, and organization of wide-ranging inorganic systems Covers all major methodologies of inorganic synthesis Provides state-of-the-art synthetic methods Includes real examples in the organization of complex inorganic functional materials Contains more than 4000 references that are all highly reflective of the latest advancement in inorganic synthetic chemistry Presents a comprehensive coverage of the key issues involved in modern inorganic synthetic chemistry as written by experts in the field
Volume 18, entitled Metallo-Drugs: Development and Action of Anticancer Agents of the series Metal Ions in Life Sciences centers on biological, medicinal inorganic chemistry. The serendipitous discovery of the antitumor activity of cis-diamminodichloroplatinum(II) (cisplatin) by Barnett Rosenberg in the 1960s is a landmark in metallodrug-based chemotherapy. The success of cisplatin in the clinic, followed by oxaliplatin and carboplatin, along with their drawbacks relating mainly to resistance development and severe toxicity, initiated research on polynuclear platinum complexes and on Pt(IV) complexes as prodrugs. Furthermore, the indicated shortcomings led to the exploration of other transition and main group metal ions, among them Ru(II/III), Au(I/III), Ti(IV), V(IV/V), and Ga(III) including also the essential metal ions Fe(II/III), Cu(I/II), and Zn(II). Ionic as well as covalent and non-covalent interactions between structurally very different complexes and biomolecules like nucleic acids, proteins, and carbohydrates are studied and discussed with regard to their possible anticancer actions. Hence, MILS-18 summarizes the research at the forefront of medicinal inorganic chemistry, including studies on the next-generation, tailor-made anticancer drugs. All this and more is treated in an authoritative and timely manner in the 17 stimulating chapters of this book, written by 39 internationally recognized experts from 10 nations (from the US via Europe to China and Australia). The impact of this vibrant research area is manifested by more than 2700 references, nearly 150 illustrations (more than half in color) and several comprehensive tables. Metallo-Drugs: Development and Action of Anticancer Agents is an essential resource for scientists working in the wide range from enzymology, material sciences, analytical, organic, and inorganic biochemistry all the way through to medicine including the clinic ... not forgetting that it also provides excellent information for teaching.
Written by established authorities in the field, the comprehensive reviews combine descriptive chemistry and mechanistic insight and yield an understanding of how the chemistry drives the properties. Volume 94 of Advances in Heterocyclic Chemistry commences with a review of cascade reactions on heterocyclic synthesis. The chapter presents a fascinating array of complex sequences which provide efficient routes to a wide variety of heterocyclic systems. The second chapter is the twelfth in the series on the organic chemistry of heterocyclic ligands in metallic complexes. The present contribution deals with the chemistry of polypyridine ligands in organomanganese and organorhenium complexes. Its current importance can be measured by the fact that, of the nearly 700 references, approximately half date from the last 10 years. Preparation of aminoisoxazoles and their utility in the synthesis of condensed systems are also covered. In the final chapter, isothiazolium salts and their use in synthesis are reviewed. Many condensed S,N-heterocyclic systems are described in this, the first review dedicated to this topic. Provides up-to-date material on a fast growing and highly topical subject area Contains the latest research covering a wide variety of heterocyclic topics Written by leading authorities and designed as a handbook for students and industry and academic researchers
Proceedings of the Seventh International Symposium on the Photochemistry and Photophysics of Coordination Compounds Elmau/FRG, March 29-April 2, 1987