02_02_87 - NOMENCLATURE OF CHEMICAL COMPOUNDS The...

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NOMENCLATURE OF CHEMICAL COMPOUNDS The International Union of Pure and Applied Chemistry (IUPAC) maintains several commissions that deal with the nam- ing of chemical substances± In general, the approach of IUPAC is to present rules for arriving at names in a systematic manner, rath- er than recommending a unique name for each compound± Thus there are often several alternative “IUPAC names”, depending on which nomenclature system is used, each of which may have ad- vantages in specific applications± However, each of these names will be unambiguous± Organizations such as the Chemical Abstacts Service and the Beilstein Institute that prepare indexes to the chemical literature must adopt a system for selecting unique names in order to avoid excessive cross referencing± Chemical Abstracts Service uses a system which groups together compounds derived from a single parent compound± Thus most index names are inverted (e±g±, Benzene, bromo rather than bromobenzene; Acetic acid, sodium salt rather than sodium acetate)± Recommended names for the most common substituent groups,
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This note was uploaded on 02/04/2011 for the course CHEM 101 taught by Professor Dr.n during the Spring '10 term at McMaster University.

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