نتایج جستجو برای: coordination compound of cadmium

تعداد نتایج: 21182101  

2014
William T. A. Harrison M. John Plater Ben M. deSilva deSilva Mark R. St J. Foreman

The title compound, poly[[di-aqua-bis-[1,5-bis-(pyridin-4-yl)pentane-κ(2) N:N']cadmium] bis-(perchlorate) 1,5-bis-(pyridin-4-yl)pentane ethanol mono-solvate], [Cd(C15H18N2)2(H2O)2](ClO4)2·C15H18N2·C2H6O, is a layered coordination polymer built up from highly squashed 4(4) nets in which the octa-hedral trans-CdO2N4 nodes (Cd site symmetry -1) are linked by the bifunctional ligands, forming infin...

Journal: :Dalton transactions 2016
Paul Shaw Alan R Kennedy David J Nelson

The synthesis and co-ordination chemistry of a new 'bulky yet flexible' N-heterocyclic carbene ("IPaul") is reported. This carbene has spatially-defined steric impact; steric maps show that two quadrants are very bulky while the other two are quite open. The electronic properties of this carbene are very similar to those of other 1,3-diarylimidazol-2-ylidenes. Copper, silver, iridium, and nicke...

2003
Anant Prakash Devjani Adhikari

Schiff bases are versatile ligands which are synthesized from the condensation of an amino compound with carbonyl compounds. These compounds and their metal complexes are very important as catalysts in various biological systems, polymers, dyes and medicinal and pharmaceutical fields. Their use in birth control, food packages and as an O2 detector is also outlined. This review summarizes the ap...

Journal: :Chemical communications 2008
Dong-Xu Xue Wei-Xiong Zhang Xiao-Ming Chen He-Zhou Wang

An unprecedented release of the bridging aqua molecules and conversion of chain helicity within a 3-D chiral cadmium(ii) dicarboxylate coordination polymer was observed in a unique and drastic single-crystal-to-single-crystal transformation of dehydration.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان زنجان - دانشکده علوم 1391

چهار کمپلکس جدید از کادمیم(ii) استات و روی(ii) استات با لیگاند کیلیت کننده 2-آمینو متیل پیریدین سنتز و توسط طیف سنجی ir و 1h nmr شناسایی و بوسیله پراش پرتوx- تعیین ساختار شده-اند. رفتار گرمایی (tg) کمپلکسها نیز مورد بررسی قرار گرفته است. فرمول بسته کمپلکسها عبارتند از: [cd(ncs)2(ampy)2] (1)، [cd(n3)2(ampy)]n (2)، [zn(ncs)2(ampy)2] (3)،[zn(n3)2(ampy)2] (4). از بین کمپلکسهای سنتز شده ترکیب (2) تش...

Journal: :Okajimas folia anatomica Japonica 1977
R Semba H Yamamura U Murakami

Pretreatment with cadmium is reported to protect animals, to some extent, from acute toxicity of a following administration of a higher dose of cadmium itself. On the other hand, it is still unknown as to whether or not the teratogenicity and/or the fetolethality of cadmium are reduced by such pretreatment with cadmium. Based on Cadmium Pretreatment and Fetotoxicity of Cadmium 287 a report that...

Journal: :Bulletin of the Chemical Society of Japan 1972

Journal: :Dalton transactions 2013
Verónica Gómez Vanesa Lillo Eduardo C Escudero-Adán Eddy Martin José Ramón Galán-Mascarós

We have developed a water-based synthesis for the preparation of 4-substituted 1,2,4-triazole ligands with highly polar functional groups. This general synthetic approach has allowed us to prepare two sulfonate functionalized 4-substituted 1,2,4-triazole anions ( L1(-)= 4-(1,2,4-triazol-4-yl)benzenesulfonate; L2(-)= 4-(1,2,4-triazol-4-yl)ethanesulfonate). Reaction of these ligands with cadmium(...

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