Crystalline chalcogenido metalates – synthetic approaches for materials synthesis and transformation

2017 ◽  
Vol 232 (1-3) ◽  
Author(s):  
Günther Thiele ◽  
Silke Santner ◽  
Stefanie Dehnen
Keyword(s):  
Ionic Liquids ◽  
High Temperature ◽  
Synthetic Approach ◽  
Chemical Solution ◽  
Materials Synthesis ◽  
Novel Materials ◽  
Synthetic Approaches

AbstractThe formation and transformation of crystalline chalcogenido metalates in ionic liquids as solvents is discussed as a new synthetic approach for the generation of novel materials. A comparison to conventional solvothermal reactions, classical high-temperature syntheses and chemical solution based approaches in common is discussed.

Lithium-based ionic liquids functionalized by sym-triazine and cyclotriphosphazene as high temperature lubricants

2014 ◽  
Vol 70 ◽  
pp. 136-141 ◽  
Author(s):  
Zenghong Song ◽  
Yongmin Liang ◽  
Mingjin Fan ◽  
Feng Zhou ◽  
Weimin Liu
Keyword(s):  
Ionic Liquids ◽  
High Temperature

scholarly journals Total Syntheses of Pladienolide-Derived Spliceosome Modulators

Molecules ◽  
2021 ◽  
Vol 26 (19) ◽  
pp. 5938
Author(s):  
Jaehoon Sim ◽  
Eunbin Jang ◽  
Hyun Jin Kim ◽  
Hongjun Jeon
Keyword(s):  
Total Synthesis ◽  
Natural Product ◽  
Structural Features ◽  
Synthetic Approach ◽  
Synthetic Analog ◽  
Phase I Clinical Trials ◽  
Total Syntheses ◽  
Naturally Occurring ◽  
Anti Cancer ◽  
Synthetic Approaches

Pladienolides, an emerging class of naturally occurring spliceosome modulators, exhibit interesting structural features, such as highly substituted 12-membered macrocycles and epoxide-containing diene side chains. The potential of pladienolides as anti-cancer agents is confirmed by H3B-8800, a synthetic analog of this natural product class, which is currently under Phase I clinical trials. Since its isolation in 2004 and the first total synthesis in 2007, a dozen total syntheses and synthetic approaches toward the pladienolide class have been reported to date. This review focuses on the eight completed total syntheses of naturally occurring pladienolides or their synthetic analogs, in addition to a synthetic approach to the main framework of the natural product.

scholarly journals Bio-inspired synthetic approaches: from hierarchical, hybrid supramolecular assemblies to CaCO3-based microspheres

2017 ◽  
Vol 46 (19) ◽  
pp. 6456-6463 ◽  
Author(s):  
Bartosz Marzec ◽  
Lei Zhang ◽  
Nianyong Zhu ◽  
Wolfgang Schmitt
Keyword(s):  
Supramolecular Assemblies ◽  
Supramolecular System ◽  
Synthetic Approach ◽  
Synthetic Approaches

A bio-inspired synthetic approach to Ca(ii)-based coordination assemblies is reported; the supramolecular system was used as habit modifier for CaCO3 materials.

scholarly journals A pyrolysis-free path toward superiorly catalytic nitrogen-coordinated single atom

2019 ◽  
Vol 5 (8) ◽  
pp. eaaw2322 ◽  
Author(s):  
Peng Peng ◽  
Lei Shi ◽  
Feng Huo ◽  
Chunxia Mi ◽  
Xiaohong Wu ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Temperature ◽  
Oxygen Reduction ◽  
Structural Changes ◽  
Carbon Matrix ◽  
Single Atom ◽  
Synthetic Approach ◽  
Iron Phthalocyanine ◽  
Practical Applications ◽  
Single Atoms

Nitrogen-coordinated single-atom catalysts (SACs) have emerged as a frontier for electrocatalysis (such as oxygen reduction) with maximized atom utilization and highly catalytic activity. The precise design and operable synthesis of SACs are vital for practical applications but remain challenging because the commonly used high-temperature treatments always result in unpredictable structural changes and randomly created single atoms. Here, we develop a pyrolysis-free synthetic approach to prepare SACs with a high electrocatalytic activity using a fully π-conjugated iron phthalocyanine (FePc)–rich covalent organic framework (COF). Instead of randomly creating Fe-nitrogen moieties on a carbon matrix (Fe-N-C) through pyrolysis, we rivet the atomically well-designed Fe-N-C centers via intermolecular interactions between the COF network and the graphene matrix. The as-synthesized catalysts demonstrate exceptional kinetic current density in oxygen reduction catalysis (four times higher than the benchmark Pt/C) and superior power density and cycling stability in Zn-air batteries compared with Pt/C as air electrodes.

A tribological study of DIPE esters containing ionic liquids as high temperature and heavy load lubricants

2020 ◽  
Vol 142 ◽  
pp. 105971 ◽  
Author(s):  
Qin Zhao ◽  
Yuanyuan Li ◽  
Xinhu Wu ◽  
Rui Ma ◽  
Gaiqing Zhao ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
High Temperature ◽  
Heavy Load ◽  
Tribological Study

Study on the Thermal Stability of Selected Ionic Liquids

2015 ◽  
Vol 220-221 ◽  
pp. 218-223
Author(s):  
Tomasz Jan Kaldonski ◽  
Stanislaw Cudzilo
Keyword(s):  
Higher Education ◽  
Thermal Stability ◽  
Ionic Liquids ◽  
High Temperature ◽  
Thermal Resistance ◽  
Chemical Structure ◽  
Research Project ◽  
High Thermal Resistance ◽  
Thermal Stability Of

Some results of tests of the thermal stability (and volatility) of selected ionic liquids pondered as lubricating substances in comparison with typical lubricating, mineral and synthetic oils, are presented in the article. The research was carried out within the framework of PBR/15–249/2007/WAT–OR00002904 Research Project Financed by the Ministry of Science and Higher Education, during 2007–2011 [1]. The obtained results confirmed high thermal resistance of ionic liquids. It makes it possible to use the liquids as high temperature lubricating substances. At the same time, it has been stated that the thermal resistance of ionic liquids depends on the composition and chemical structure of anion and cation.

Fuel Treatment Chemical Additives Progress Report

1980 ◽  
Vol 102 (4) ◽  
pp. 813-819
Author(s):  
A. E. Bischof
Keyword(s):  
High Temperature ◽  
Combustion Efficiency ◽  
High Temperature Corrosion ◽  
Progress Report ◽  
Fuel Quality ◽  
Chemical Solution ◽  
Case Histories ◽  
Chemical Additives ◽  
Fuel Use ◽  
Fuel Treatment

A detailed discussion of fuel quality as related to associated fuel use problems is presented. The generic chemical solution to the problems is covered with emphasis on the correction of system mechanical and instrumental malfunctions. Three case histories concerning high temperature corrosion, combustion efficiency and deposit accumulation are explored.

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