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67 Current news of Angewandte Chemierss
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Total synthesis of the sesquiterpene agarozizanol B
Starting from available chemicals, a German team of researchers successfully completed the total synthesis of agarozizanol B, an interesting natural substance found in agarwood. As described in the journal Angewandte Chemie, the key sequence in the relatively short synthetic pathway is a ...
Efficient water and urea electrolysis with bimetallic yolk-shell nanoparticles
Electrolytic hydrogen production powered by renewable energy is seen as an environmentally friendly means to ameliorate global climate and energy problems. In the journal Angewandte Chemie, a research team has now introduced a novel and inexpensive material for electrodes that may provide for ...
Ultrafast charge transfer in Prussian blue analogues
Photoinduced charge transfers are an interesting electronic property of Prussian blue and some analogously structured compounds. A team of researchers has now been able to elucidate the ultrafast processes in the light-induced charge transfer between iron and manganese in a manganese-containing ...
Induced-fit adsorbent for acetylene
We often say that a substrate fits into its enzyme like a key in a lock, but this metaphor is imperfect. Substrate binding can also change the lock (the structure of the enzyme) to induce a perfect fit. In the journal Angewandte Chemie, an international team of researchers has now introduced a ...
Organic mixed valence pigments absorb in the near infrared
In photosynthesis and organic photovoltaics, pigment molecules convert light into electrical charge. A team of chemists have now produced an unusual organic pigment, which is “switched on” by an electrical charge to become a potent dye that absorbs light in the near-infrared range. The team's ...
Amidation of light alkanes
The carbon–hydrogen bonds in alkanes—particularly those at the ends of the molecules, where each carbon has three hydrogen atoms bound to it—are very hard to “crack” if you want to replace the hydrogen atoms with other atoms. Methane (CH4) and ethane (CH3CH3) are made up, exclusively, of such ...
How to obtain a palladium catalyst for the selective hydrogenation of acrolein
Chemical reactions don’t always go to plan. Unwanted by-products lead to extra costs and waste resources. Selective catalysts can help, but chemists have to test out large numbers before they find the right fit. Researchers have now investigated, on an atomic level, how to obtain a palladium ...
Discovering new leads for functional materials guided by artificial intelligence
Searching for lead materials with specific properties, researchers have developed a workflow that incorporates artificial intelligence to guide discovery of a new ceramic structure with particularly low thermal conductivity. As they explain in the journal Angewandte Chemie, the material has an ...
Inserting active-agent proteins into cancer cells using antibodies
The ability of antibodies to recognize specific cancer cells is used in oncology to specifically target those cells with small active agents. Research published in the journal Angewandte Chemie shows that scientists have now built a transport system that delivers even large protein-based drugs ...
Enantioselective synthesis of indole derivatives
Indole, and structures derived from it, are a component of many natural substances, such as the amino acid tryptophan. A new catalytic reaction produces cyclopenta[b]indoles—frameworks made of three rings that are joined at the edges—very selectively and with the desired spatial structure. As a ...
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