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Nomenclature Rules - Nomenclature Rules The Short List 1...

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Nomenclature Rules: The Short List: 1. Find the parent. 2. Number the chain 3. Identify substituents (branches) 4. Write name in the following format: #-subtituentparent The Longer List: 1. Find Parent: The parent is the longest continuous carbon chain. It may bend around corners (it does not necessarily have to be the horizontal chain). If there is a tie in parent chains, pick the one that has the greater number of branches. 2. Number the chain: For alkanes, number the chain from the end nearest the first branch carbon. If there is a tie, chose the end nearest the second branch. Continue to the next branch for further ties. 3. Identify the subtituents: Branches are named after their parent chain number of carbons, eg, methyl for one carbon, ethyl for a two carbon chain. Branched branches are a special case. Several have common names, however, these should be eschewed for the more systematic nomenclature. To name a branched branch: 1. Start at the carbon attached to the main chain and find the longest chain. This will be the
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