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Ch.4 Introduction to Organic Compounds

Chapter 1, Problem 4.27c

Give the correct IUPAC name for each of the following compounds:


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Welcome back, everyone give the correct systematic name for the structure shown below. First of all, let's classify the given structure. As we can see, we're given a saturated hydrocarbon and a saturated hydrocarbon is an alkane. Our next step is to identify the parent, which is the longest continuous carbon chain. And we can clearly see that we have a total of one, two we or five six, seven and eight carbons in the longest continuous chain. So basically, if we recall that the prefix for aus Octa, we can state that the parent is octane. We're using a suffix A NE because it is an L cane. Our next step is to enumerate the parents such that we minimize the locus of the branches or the subscriptions. And we are actually going to enumerate the parent from right to left. So 1234567 and eight. And the reason why we're doing this is simply because we have two branches closer to the right end of the structure, right. So there's more branching. So we're just going to show that we have enumerated the parent from right to left. Step. Number three is to identify the subscriptions. We notice that carbons two and three, they have muscle groups ch three, right? So we, we are going to state two comma three, dimethyl, thy means two methyl. And of course, two comma three means that there are two metal groups bonded to carbons two and three. And then as we can see, carbon number six and chains and ethel group, a two member chain C two C three. And finally, we have all of the information that we need to name the structure. We're going to begin with the Ethyl substi because we have to alphabetically compare E against M, right? And essentially, if we arrange the subscriptions alphabetically, then the ethyl substi goes first. So that'd be six Ethel. Let's recall that we're ignoring letter D because the I or die, it is a prefix. So now we're adding two comma three dimethyl and now that we are finished with the branches, we can just finish the name with Octane because that's our parent and we have got the final name for this structure. Thank you for watching.