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Let's try to send the size in AL kind in different ways. So here we have a bunch of molecules and we want to synthesize the same al kind. One BUE time from these different molecules. And really, the most important part is making sure that if you are going to use a halo, out came. You need to make sure that they are anti to each other. You need to make sure that they are not causing Starik hindrance, because when you do this reaction, you won't be able to produce an AL kind if they're on the same side. So you want to make sure that they're on opposite sides as each other, so you have stable elimination to occur, so the first step for the first one will be too well, brominated or chlorinate. But bro means really easy to use because it's a liquid in its natural state. So typically, that's why we use from me now. This may or may not be in, um, opposite planes, but it we do have a terminal Romy and Terminal bro Means will have freedom of rotation. It's at the end there. It's freedom of rotation will let it just be on the opposite side, no matter how we want to orient it. So we can react it with three equivalents, uh, n a and H two in NH three and follow it up with water three equivalents because we're trying to form a terminal out kind. Otherwise, if we were to form a internal out kind would be to equivalents. Let's take a look at this chlorine well, or this halo chloride for not here recorded chloral cane. Well, for this one, we need another chlorine atom. And the best way to do that is to well reacted with the base. So something that will do elimination fast, quick, Probably best to use a hindered base. So let's just use L. D. A really strong, really hindered base does everything we want it to do in that regard. No form the elimination product. It's really hard to make that because, well, we have a primary hill. OK, so it's kind of difficult. We need something really strong and really hindered. An L. D. A. Or turf You talk side LD air to turn you talk side is going to be your safest beds. So we're looking at ch three three c o negative, Some. Somehow it has a whole negative charge. And that will be your best bet then. Well, we're at our first reaction, so we brominated same rules still apply. We have freedom of rotation there, so we can just finish the reaction using the same steps as the previous one for the same rules. The rules didn't change just because we added L. D A. To the mix. These are kind of isolated reactions from each other. Imagine you're doing it in a test tube, and then you're separating everything, and then you're doing another thing into a test tube. They're all mutually exclusive reactions, but you do need a certain order of things to occur. Okay, so now let's take a look at this one. Well, we already have one chlorine, but we want to make you know kind, and we already have a double bond, and we have a chlorine so well, we'll have to add HCL or HBR. But let's stick with, um, consistency with our Hala Jin's. So let's just use HCL and, well, Mark Hoffman, competition of CL most stable carbon is there because it's a carbo cat ion, right so we want it there. And well, we're back to this step just with a different halo. Well, cane, which is totally fine because it'll still do what we needed to dio. So we'll just do the same reaction in the N H two an h three liquid. Hold it up with water. Now, what about this one? This one is a little tough and really the best way to go about doing this is more about just using a base to get rid of one of those halogen. So well, what we can uses rld a one equivalent. And we'll probably get this product probably the safest product to assume we could get. And, well, hcl, we're back on her. We're back on the second step of our previous problem. But one thing to note here is that if we weren't dealing with a terminal halo, out came an issue that arrived Would arrives is something that I brought up at the very beginning and that is requiring it to be on opposite planes. That's something to keep in mind when it comes to terminal all kinds. That's not an issue, because, um, we need three equivalents of any age to, uh, it won't be an issue for terminal kinds because Freedom Invitation. But if you're trying to make an internal kind, that will be The biggest issue that can arise is making sure you produce your halo al canes in such a way that well, it will produce your halo al cane opposite to each other. It will make sure that they are relying anti to each other and opposite planes so that you can produce your out kind. And that detail is not something that can be stressed enough because it's a subtle detail. But it's the most important part of producing an out kind. And lastly, well, we just have an AL kind and we're trying to increase the chain so we'll just use the base and, well, this halo. Okay, we'll just add onto it and we have a product

Going on with our kids and our kind. We're taking a look at reactivity here. So what we start off with is one one die promo bond Funeral Eastern under the following conditions off three equivalents and A and H two. We have mineral oil, Aunt, he we generate this following product. We have H five C six triple bond formal negative charge on a plus. Treat that with and each four c l. We generate the following in the next step. What we're taking is 11 di Bruno, two female ethane. So that was the same as the previous material. Same starting material. However, we have the denial on the two position out of 11 die promo to female ethane. My mistake. Juan Juan Di promo to senile. He's saying, Treat that with the same materials we used above. Next, what weaken Take is thief following treat? That would be our tune CCL four. We don't treat this material with three equivalents and I and H two mineral oil Aunt Heat treat that Wiz NH four c l For our final material. We have one final example to take a look at where we're starting with a seat of phenomenon, so we'll draw out here that is treated with P O. C. L three. Then we treat with three equivalents on H to on a mineral oil Aunt Heat. Generate the following into media E H triple bond and a plus carbon minus in h four c l. What we generate is thes same product that is our all kind.

This question asked us to design a multi step synthesis for each of the reactions. So starting with part A, we're starting off with cycle hexane, which is an al cane. And the only reaction that we can do on an Al Kane is add a halogen to it. Be a radical reaction. So you're two or seal too amused. You are to hear almost at a bro Ming on, um, And then to get that, bro Mean Teoh and a pox side. Um, we get approx. I do need to start with an AL Keen so we can take that broom in and eliminate it to Maconel Keen. And I'll do this using turkey talk side, because it's a good, strong, bulky base that will get an E two elimination there or an AL Keen and then to get to in a pox. I'd from an al keen you need a proxy acid. So a proxy acid is C 00 h. Um, you common one you may see written down. It's NCP B A. But any proxy acid will do that. And then for part B, here we are starting with metal, benzene and again we don't know any benzine reactions at this point in the book. So, uh, all we can do is put a broom in on this metal group right here. So again, I'll do that with beer to a gun. You could also you seal too. It doesn't matter. But on the news, bro mean here and then we'll get burning on there. And now we don't want a Birmingham, everyone and oxygen on there that we can eventually oxidize into an elder hide. So we're gonna change that roaming into an oxygen using a substitution reaction. I'm gonna use a strong base and a leech and do and nothing to to get an alcohol on the end instead of a broom mean and then to get from an alcohol to an alto hide, we need a We need an oxidizing agent. And so here you can use either pcc that will go only to an Alba hide, and not to a carb oxalic acid. Or you could also use any OOCL. Either one of those will work for this reaction, but not chroma. Gas it because that will turn it into a carb oxalic acid instead of a now tied for part C again. We're starting with a now cane. So we just have to add, um, halogen on. I'll use br to again here to get a Berlin on there. And then again, we don't want this to be a burning one. Wanted to be an oxygen. So we'll do that seem as 12 reaction I did above with an h to turn that roaming into an alcohol. And then here again, we just need to oxidize it here. Doesn't matter which oxidizing agent used because a secondary alcohol can only become a key tone either way. So we'll just use any oxidizing agent here. Um, I'm gonna use an IOC l this time with a car box look, acid. And that is also at zero degrees Celsius. And then for part d again, the only thing you could do with an Al Kane is at a halogen on br two or seal to im. You seal to this time just to switch it up. Um, so we'll get that halogen on there and then to make an a pox side, we need an AL Keen. Um, again, we need a Parkside in order to get this, um, trans diable here so I'm gonna turn this chlorine into a not keen, much like we did above in part A. So I'm gonna use to talk side again to get a need to elimination, to make a cycle vaccine, and then I'll turn that into an a pox. I just like it did in part a with M c P b A or any proxy acid. And then to break the approx side, I'm gonna use, um, hydroxide as my base because I want to. Alcohol's on the product. 10 h will come from the oxygen that is already on the a pox side and the other O h will come from the base that I used to break the approx wide open. So because I just wanted no age on both sides of unused on a ledge to break it open and that will give me that trans dial for party

So continuing on with our work with Aldo hides in key tones. So what we have in the common functional group is C o What changes is through our groups which can be protons, hydrogen or other carbons where we have to to all groups we have I liked your Philip Carbon. We also have our oxygen atom which has a partial negative charge associated with it. So jumping straight into this reaction we have PCC is are highly selective re agent on. We can use insolvent such a ch two c l two so we can oxidize the primary and secondary alcohols to generate carbon al compounds to for example, we have here Hey, Joe pcc c H two see how to we then generate the following. I'll do hide So the reaction of alcohol hides with lethal magnesium bromide gives on alcohol a swell. So in this reaction, we'll use the material that we had just before in the presence off ch three c h two MGB are e t 20 followed by NH four Seattle Andi water each tour. We don't generate the following So now we have an alcohol instead off and all the hide So then PCC can oxidize the primary and secondary alcohols to our Carbonell compounds. So again we take the above material PCC presence of ch two c l two on What we generate is the following final step. We have the key. Turner's reacted with a grin yard re agent which allows us to add on our hydrocarbon chain that is missing here on we can transform our ketone into our alcohol group in the final step using the following re agents MGB all that is our green Yard re agent in the e t 20 solvent, then followed by and h l C L on h 20 is our final step NH four c l and H 20 allows us to carry out that final chemical transformation. Nothing has changed. Our cyclo hexane or that we have altered is our substitue INTs. And now instead, off that Keith and we haven't o h group, followed by two hydrocarbon chains to generate our final product


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