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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.
A private mail bag (PMB), locked bag or caller service is a term for a special form of postal delivery in some countries, usually a government department or large private company, which receive large volumes of mail. Private mail bag addresses are often used in countries in Africa where there may be no street delivery service.
According to the roadmap, accrual accounting will be adopted in the financial reporting by the public sector with effect from 1 January 2015, using bases and policies which are consistent in all material respect with accrual basis IPSAS. Malawi – Member of ESAAG (East and Southern African Association of Accountants General). The aims of ESAAG ...
The Financial Services Board (FSB) was the government of South Africa's financial regulatory agency responsible for the non-banking financial services industry in South Africa from 1990 to 2018. On 1 April 2018, its responsibilities were split into two new agencies the Financial Sector Conduct Authority (FSCA) for conduct regulation and the ...
The African Finance Journal is a peer-reviewed academic journal covering finance, accounting, and economics in an African context. The African Finance Journal (AFJ) is published twice a year and edited at Africagrowth Institute. [1] The journal is jointly published by the institute, University of Cape Town and the African Finance Association ...
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Pietermaritzburg is popularly called Maritzburg and is often informally abbreviated to PMB. It is a regionally important industrial hub, producing aluminium, timber and dairy products, as well as the main economic hub of uMgungundlovu District Municipality. The public sector is a major employer in the city due to local, district and provincial ...