CHEM 123 Study Guide - Quiz Guide: Substituent, Propyl Group
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CHEM 123 Full Course Notes
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General rules: find the longest continuous chain of carbon atoms (parent chain). This chain determines the parent name (root) of the alkane: identify the hydrocarbon suffix, number the parent chain. For simple alkanes, begin the numbering at end of the chain that is nearest to a branch. For alkenes and alkynes, begin numbering at the end that is nearest to the multiple bond: name the substituent groups (branches). Each substituent name has two components: a root and a suffix. Use the table below to determine the root name based on the longest chain of carbons in the branch. The suffix for alkyl substituent groups is -yl : if an alkyl substituent appears more than once, use the prefixes: di, tri, tetra, penta, hexa, etc, complete the name. Use the numbers from step 3 to designate the location of the substituents groups. Numbers are separated from letters by a dash (-) and two numbers are separated by a comma (,).
