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Productive Cascade

Total synthesis of the sesquiterpene agarozizanol B

12-Oct-2021

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 ...

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Hard Single-Molecule Magnets

Tetranuclear rare earth metal complexes with giant spin

20-Sep-2021

Magnets formed from a single molecule are of particular interest in data storage, since the ability to store a bit on every molecule could vastly increase the storage capacity of computers. Researchers have now developed a new molecular system with a particular magnetic hardness. The ingredients ...

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Cheaper Hydrogen Production

Efficient water and urea electrolysis with bimetallic yolk-shell nanoparticles

14-Sep-2021

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 ...

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Overcoming False Optical Activity

Interference leads to inaccurate Raman spectroscopic analysis of vitamin B12

25-Aug-2021

Many natural products are complicated organic molecules. Despite this complexity, scientists are usually able to investigate them using spectroscopic techniques. However, a team of researchers has now discovered that care should be taken using Raman spectroscopy to analyze certain chiral ...

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Electrons Passed Around

Ultrafast charge transfer in Prussian blue analogues

23-Aug-2021

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 ...

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Crystals Made to Fit

Induced-fit adsorbent for acetylene

16-Aug-2021

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 ...

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Switched on IR-Active Organic Pigments

Organic mixed valence pigments absorb in the near infrared

12-Aug-2021

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 ...

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Infrared Held in a Pincer

A NIR-II-emitting chromium complex

23-Jul-2021

Many applications, from fiber-optic telecommunications to biomedical imaging processes require substances that emit light in the near-infrared range (NIR). A research team in Switzerland has now developed the first chromium complex that emits light in the coveted, longer wavelength NIR-II range. ...

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How Green Is Your Plastic?

Economical synthesis of polyacrylates and polymethacrylates from biobased materials

22-Jul-2021

Despite the best efforts of industry to work towards sustainability, most plastics (or polymers) are still made using non-renewable fossil fuels. However, researchers have now found an economical method for producing biobased acrylate resins. The study, published in the journal Angewandte Chemie, ...

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At Last: Separated and Freshly Bound

Amidation of light alkanes

21-Jul-2021

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 ...

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