Platinum Metals Review最新文献_第6页

3-Hydroxycarboplatin, a Simple Carboplatin Derivative Endowed with an Improved Toxicological Profile 3-羟基卡铂，一种简单的卡铂衍生物，具有改进的毒理学特征

Platinum Metals Review Pub Date : 2012-10-01 DOI: 10.1595/147106712X654204

K. Kasem, D. Ager, F. Nerozzi, Weiping Liu, Xi-zhu Chen, Qingsong Ye, Shuqian Hou, L. Lou, Xie Chengying

引用次数: 15

International Solvent Extraction Conference - ISEC 2011 国际溶剂萃取会议(ISEC 2011)

Platinum Metals Review Pub Date : 2012-08-01 DOI: 10.1595/147106712X645673

N. Davidson

{"title":"International Solvent Extraction Conference - ISEC 2011","authors":"N. Davidson","doi":"10.1595/147106712X645673","DOIUrl":"https://doi.org/10.1595/147106712X645673","url":null,"abstract":"Following the successful 2005 conference in Beijing (Solvent Extraction for Sustainable Development (1)), the 18th International Solvent Extraction Conference (ISEC 2008), Solvent Extraction: Fundamentals to Industrial Applications, was held in Tucson, Arizona, U.S.A., between 15th and 19th September 2008 (2). The programme emphasised the development from fundamentals to industrial applications of solvent extraction. Session topics were: – Hydrometallurgy and Metals Extraction – Process Chemistry and Engineering – Nuclear Applications – Analytical and Preparative Chemistry – Biotechnology, Pharmaceuticals, Life-Science Products and Organic Products – Fundamentals – Novel Reagents, Materials and Techniques The conference followed a traditional format with five excellent plenary lectures from experts in the various fields, five parallel oral programmes, two poster sessions and two panel discussion sessions specifically considering ‘Uranium Processing’ and ‘New Reagents and Their Design’. Full conference proceedings have been published (3). The interesting and potentially exploitable aspects of the chemistry of the platinum group metals (pgms) in solvent extraction-based refining circuits continue to be of significant interest (4–10). Comments on selected oral and poster presentations most relevant to the furthering of fundamental chemistry, refining and processing of both the pgms and gold are given here under the titles of the sessions in which they appeared (with the relevant page numbers of the aforementioned proceedings given in brackets). Hydrometallurgy and Metals Extraction Several systems have been proposed for the replacement of cyanide as a lixiviant for gold and silver, and a thermodynamic model has been developed by G. T. Lapidus et al. (Universidad Autónoma Metropolitana-Iztapalapa, Mexico) (pp. 299–304) for the precious metal complexes extracted from an ammonium copper thiosulfate solution. Similarly, the use of thiourea as an alternative to cyanide for the recovery of gold and silver has several advantages, including improved kinetics and lower toxicity of the reagents. Z. Gamino-Arroyo et al. (École Centrale Paris, France) (pp. 293–298) presented a mechanistic study of the extraction of precious metals from a di(2-ethylhexyl)dithiophosphoric acid solution system. A study of the influence of residual gold on the solvent extraction-based recovery of cyanide from more traditional industrial cyanidation liquors was presented by M. B. Mansur et al. (Universidade Federal de Minas Gerais, Brazil) (pp. 311–316). As part of the capacity expansion project within the Anglo Platinum Precious Metals Refinery in South Africa, S. F. Woollam (Anglo Research, South Africa) and R. A. Grant (Johnson Matthey Technology Centre (JMTC), U.K.) (pp. 281–286) observed a significant increase in the rate of acidcatalysed degradation of the hydroxyoxime LIX 84I in the palladium solvent extraction circuit when the reagent concentration was increased. However, a ","PeriodicalId":20208,"journal":{"name":"Platinum Metals Review","volume":"56 1","pages":"177-180"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1595/147106712X645673","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67346281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

"Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds" 钯催化丙烯及相关化合物多米诺环化合成具有生物活性的天然产物

Platinum Metals Review Pub Date : 2012-08-01 DOI: 10.1595/147106712X651180

E. Anderson

{"title":"\"Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds\"","authors":"E. Anderson","doi":"10.1595/147106712X651180","DOIUrl":"https://doi.org/10.1595/147106712X651180","url":null,"abstract":"Chemistry Research Laboratory, University of Oxford, 12 Mansfi eld Road, Oxford OX1 3TA, UK Email: edward.anderson@chem.ox.ac.uk In the latest contribution to the “Springer Theses” series, which celebrate outstanding graduate research from the physical sciences, Shinsuke Inuki provides a detailed account of his PhD research, entitled “Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds”. Inuki carried out this work in the laboratory of Professor Hiroaki Ohno (Kyoto University, Japan), whose young research group has established a reputation in the fi eld of late transition metal-catalysed ‘cascade’ organic reactions (also known as ‘domino’ reactions) involving alkynes and allenes. The target audience for the book includes practicing organic chemists with interests in synthesis, and those with specifi c interests in palladium-catalysed organic reactions, and as such is suited to graduate level and above. As the title suggests, the book delves extensively into mechanistic aspects of palladium-catalysed allene chemistry, with a focus on two reaction types: intramolecular reactions of allenylpalladium(II) complexes with pendant nucleophiles, and intramolecular reactions of allenes activated by pendant palladium(II) species (Scheme I). The key feature of these processes is the ability of the palladium(II) catalyst to enhance the electrophilicity of the allene through coordination to the metal atom in its +2 oxidation state, thus triggering nucleophilic attack. Having established an understanding of each metal-catalysed bicyclisation, Inuki goes on to apply this chemistry to the synthesis of a number of bioactive alkaloid natural products. The overall aims of the work are fi rstly to extend the state of the art in palladium-activated allene chemistry through a “Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds”","PeriodicalId":20208,"journal":{"name":"Platinum Metals Review","volume":"58 1","pages":"194-199"},"PeriodicalIF":0.0,"publicationDate":"2012-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1595/147106712X651180","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67346327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

The Platinum Decathlon - A Tribute to the Foresight of Antoine Baumé 白金十项全能——致敬安东尼·鲍姆<s:1>的远见卓识

Platinum Metals Review Pub Date : 2012-08-01 DOI: 10.1595/147106712X650811

C. Barnard, A. Fones, Blounts Court

引用次数: 0

The Russian PGM Mining Industry 俄罗斯PGM矿业

Platinum Metals Review Pub Date : 2012-08-01 DOI: 10.1595/147106712X653098

Mikhail Piskulov

引用次数: 3

Smithson Tennant Celebration: Tennant's Science Then and Now 史密森坦南特庆典:坦南特的科学过去和现在

Platinum Metals Review Pub Date : 2012-08-01 DOI: 10.1595/147106712X651801

R. Perutz