Nomenclature of alkanes is not particularly difficult but it can be tricky and tedious.Here are some basic rules we use for the alkane nomenclature.
You wanna know the first 10 names of the parent molecules and have those at your fingertips. I still recommend you memorize those as well as your instructor might throw an curved ball at you and give you a very large molecule to name. ![]() The cyclic alkanes are called cycloalkanes and they do follow their own naming rules and conventions. So, we no longer can use the simple names based on the number of carbons. Well, how do we name those branches We count the atoms in the branch and we change the alkane ending -ane to -yl to signify that it is a substituent sitting off the parent chain. The option 1 offers the lower numbers for the substituents unlike option 2. As a quick check, always make sure you have the matching number of locations and the numeric prefix in front of the substituent name. Hes the founder and director of Chemistry Help Center, a huge science nerd, an avid Magic: the Gathering player, a life-long learner, and a world traveller (visited over 30 countries on 5 continents). Copyright 2020 Organic Chemistry Tutor Chemistry Education and Research Center, LLC Terms and Privacy Policy.
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