About 2.5 billion years ago, free oxygen, or O 2, first started to accumulate to meaningful levels in Earth's atmosphere, setting the stage for the rise of complex life on our evolving planet.

Catalytic oxidation of organic sulfides is of considerable significance in industrial chemistry and fuel industry. Therefore, numerous methods have been developed for the oxidation. Metal-containing ...

An imbalance between antioxidant defenses and free radicals in your body causes oxidative stress. This can lead to disease or inflammation, but an antioxidant-rich diet can help prevent oxidative ...

image: A series of amines, including synthetic challenging primary amines were synthesized with highly tolerance of other reducible functional groups. Mechanistic studies from control experiments and ...

The more oxidized a Copper block, the greener its color will be. This makes Copper a great resource to use in buildings you want to have a weathered or dated look. Copper blocks will oxidize in ...

The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.orglett.1c00106. Smart citations by scite.ai include citation ...

Borane–tetrahydrofuran (BH 3 –THF) is a charge-transfer complex that is a useful surrogate for diborane 1 in organic synthesis. It can be used to reduce carboxylic acids to alcohols or nitriles to ...

Oxidation is a chemical process that causes vehicle paint to break down over time from exposure to heat and oxygen. It is essentially a form of corrosion in which paint loses its oil content, and as a ...

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