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2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (or DDQ) is the chemical reagent with formula C 6 Cl 2 (CN) 2 O 2. This oxidant is useful for the dehydrogenation of alcohols, [3] phenols, [4] and steroid ketones. [5] DDQ decomposes in water, but is stable in aqueous mineral acid. [6]
The use of protective groups is pervasive but not without criticism. [103] In practical terms their use adds two steps (protection-deprotection sequence) to a synthesis, either or both of which can dramatically lower chemical yield. Crucially, added complexity impedes the use of synthetic total synthesis in drug discovery.
It is also a good test for the successful deprotection of a secondary amine. Secondary amines react with chloranil to give a brown/red/orange derivative, the colour depending on the amine. In these reactions, the amine displaces chloride from the ring of the quinone.
Financial risk management is the practice of protecting economic value in a firm by managing exposure to financial risk - principally credit risk and market risk, with more specific variants as listed aside - as well as some aspects of operational risk.
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“Luckily, so many of these factors are avoidable through self-evaluation and open and clear communication with management,” Gabrielle Davis, career expert at Indeed, tells Fortune.
The White House fact sheet also said U.S. companies "are harmed by FCPA overenforcement because they are prohibited from engaging in practices common among international competitors, creating an ...
Intergovernmental risk pool is the use of the risk pool risk management technique commonly practiced by private insurance companies, but applied to public entities (e.g. made up of government agencies, school districts, county governments and municipalities) who come together to form a pool to provide protection against catastrophic risks such as floods or earthquakes.