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Ch.21 - Organic Chemistry

Chapter 21, Problem 71d

Name each alcohol. d.

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Hello, everyone. Today, we have the following problem, determine the name of the given alcohol. A 23 dimethyl five octonal BC 67, dimethyl four, Opinal C 677 triethyl four Hepton all or D 112 triethyl five hepton all. So looking at this compound, we must immediately make note that the alcohol group is the highest priority. And as such, when we go to number this compound, we have to give it the lowest carbon, the lowest number. And so we have to first determine our parent chain, which is the longest continuous carbon chain. And if we start from left to right, we would have that alcohol group on carbon four which we will continue 56, we go to the right to get an additional two carbons which we can go up or to the right from carbon seven. And we will continue going to the right for eight carbons that lets us know that our parent name is OCT OC tan. And then we have that alcohol group that we must make note of. So we have all, so Octin all so we can get rid of choices C and D, we then must complete that parent name with, with including what carbon that alcohol group is on. So this would actually be for octonal. And so that leaves us with answer choice B, but let's complete this. The next step is to identify substituents. So for substituents on this molecule, there are any parts of the molecule that are not included in the parent name, we see that we have one methyl group here on carbon seven and one methyl group on carbon six. And thus, this would be 67 dash dimethyl because there are two of them. And if we were to look at our Anchos Ancho B, which states 67 dimethyl four octonal, we would have our answer. And with that, we have solved the problem. Overall, I hope is helped. And until next time.