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9 Current news about the topic heterocycles

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Let there be light: Synthesizing organic compounds

23-Sep-2019

Every biological reaction is a chemical reaction. The exchange of carbon dioxide for oxygen in our lungs and blood cells, for example, is caused by molecules releasing chemicals and reforming with new ones. The uncontrolled replication of cancerous cells is the result of broken chemical compounds ...

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Synthesis of medicinally privileged heterocycles through dielectric heating

10-Mar-2017

Heterocyclic compounds are enormously crucial in various industries including food, agricultural, cosmetics and pharmaceuticals. Heterocyclic pharmacophores are one of the main chemical components in drug discovery research. A report in 2013 claims that four out of six and nine out of twenty one ...

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A new breakthrough in the synthesis of chiral 3,6-Dihydro-2H-pyrans

31-May-2016

The pyran ring is present in so many useful compounds, such as pharmaceuticals (antibiotics, anti-infectives, cardiovascular agents, neurological modulators, anti-allergic, anti-asthmatic, anti-inflammatory agents, reproductive and genitourinary agents, growth promoters and antidiabetic agents), ...

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Cool combination produces easier carbon bonds

25-Apr-2016

By combining two century-old techniques in organic chemistry, Syuzanna Harutyunyan is able to make organic compounds with greater ease and precision. Such compounds are important for drug discovery and development. Almost 90 percent of known active pharmaceutical ingredients contain one or more ...

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Bidentate Chelates with Larger Spacers

Chelating Lewis acids prepared by double hydroalumination of dialkynylsilanes

10-Nov-2011

Molecular oligoacceptors (chelating Lewis acids) are interesting compounds that are potentially applicable in phase-transfer processes, catalysis, or molecular recognition. Compounds with two or more coordinatively unsaturated tricoordinate aluminium or gallium atoms in a single molecule are ...

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50 Millionth Unique Chemical Substance Recorded in CAS REGISTRY

Novel analgesic marks major milestone in scientific discovery

09-Sep-2009

Chemical Abstracts Service (CAS), a division of the American Chemical Society, announced that on September 7i t recorded the 50 millionth substance in CAS REGISTRY. The recently registered substance is a novel arylmethylidene heterocycle with analgesic properties. Reaching the 50 million mark so ...

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Researchers confirm benzene-like electron delocalization of important molecule

UO team's findings could pave way for synthetic compounds useful in drug discovery and materials science

23-Jun-2008

Researchers in the lab of University of Oregon chemist Shih-Yuan Liu have successfully synthesized and structurally characterized boron-nitrogen compounds that are isoelectronic and isostructural to the fundamentally important benzene molecule. Given the appearance of benzene derivatives in ...

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Removing nitrogen compounds from diesel by adsorption onto copper-containing zeolites

11-Feb-2004

The sulfur and nitrogen compounds found in fuels cause environmentally harmful sulfur and nitrogen oxides to be released on combustion. It is thus becoming more and more important that gasoline, diesel, and kerosene be as free of these materials as possible. Researchers at the University of ...

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Lonza: Preparation of carboxylates from chloroheterocycles by the palladium-catalyzed alkoxycarbonylation

25-Jun-2001

Palladium mediated coupling reactions have become important tools in synthetic organic chemistry. The functionalization of aryl molecules with carbon monoxide to yield carbonyl compounds represents a rapidly growing area of investigation. Among the carboxylic acid derivatives accessible by this ...

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