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3. (23 points) Show an arrow pushing mechanism for the following reactions below and identify the type(s) of reaction when asked: Include lone pairs when necessary:...

Question

3. (23 points) Show an arrow pushing mechanism for the following reactions below and identify the type(s) of reaction when asked: Include lone pairs when necessary:a.HzOType of Reaction E1, E2, Swl, Sw2 (Circle Any That Apply)Mechanism:

3. (23 points) Show an arrow pushing mechanism for the following reactions below and identify the type(s) of reaction when asked: Include lone pairs when necessary: a. HzO Type of Reaction E1, E2, Swl, Sw2 (Circle Any That Apply) Mechanism:



Answers

Draw a stepwise mechanism for the following reaction. [$Hint$: Two Michael reactions are needed.]

This is the answer to Chapter 11. Problem number 67 Fromthe Smith Organic chemistry textbook. Ah, and here were asked to draw a stepwise mechanism or about this intra molecular reaction. So we're going from one ring, 22 rings. Ah, and we have an AL kind and an alcohol on a double bond inside the ring on the double bun inside the ring actually isn't isn't going to do anything. Ah, and so this is gonna be a reaction featuring the alcohol in the alkaline. And so we have former gas it here. Ah, and the first step in this reaction is going to be form a gas it protein aiding this alcohol that's gonna look like this. So we now have the pro donated alcohol here. Okay. Uh, and so, uh, this carbon oxygen bond can break, and, uh, the H 20 here can leave as water. Oops. And so we now have a corporal cat eye on here. Um, and the electrons in the al kind can, uh, act as nuclear file. These electrons can a shift over here to the carbo cat eye on. And so that's gonna be how we form our second five members ring here, so we now have Ah, a fused by cyclic ring system. So these two rings, uh, so have our double bond there. Ah, And now have this here. Okay. And we'll have a corporal cat eye on on this Corben. Um, and so there's water in this system, uh, in the water is going to add to that carbo cat eye on. So this, um, So now, after that, we have this product, so there's a positive charge and only one lone pair, uh, on the oxygen here, Um, and so we can, um, use that form a tie on from the first step. Uh, so this guy's still floating around. Ah. Native charge there can come and grab a proton. And, uh, after that happens, we will be, um, in an eternal form. I'm actually gonna move this a little bit. Okay? So, as I said, we'll have Ah, the eternal here. And so from the e. No, um, we can, uh, essentially just talk to memorize. Um, but the actual mechanism for that is gonna look like this. So we have former gas it again. Uh, the electrons of this double bond will grab proton comm protein ated. And so we will be here with a carbo cat eye on here. And thes electrons can go here to form the new carbon oxygen double bond. Oops. That was wrong. Okay, carbon oxygen, double bond. The oxygen is gonna have a positive charge. And one lone pair. Uh, and so now all that has to happen is, uh we could say water. Or we could say, Ah, the con ticket base, Um, of that former gas it. So the form a tie on again, um, can come grab this proton use electrons can go like that. Ah, and then that's it. That gets us to our final product here. Okay, s so there. There it is. That's the stepwise mechanism for this reaction. Um, yeah. So it's ah, a pro nation water leaving, uh, the al kind acting as a nuclear fire on adding that carbo cat eye on to form a second ring. Ah, and then, um, water adding to carbon. Ah, that's that's the new location of the car boot cat eye on, uh, that added waters D protein ated. Um, and that's basically the eagle on. Then we just talked to him a rise from the eternal to the key tone. And that's the answer. And that's the answer to Chapter 11. Problem number six.

Question journey wasn't trendy. Requires to write a mechanic. May can you sum for this reaction? So we have been young creation and another as the Know what? Your Grammy can use them. You had a mechanism for Britney on the original Nestor and question for thing. So we've looked at the cuts from 14. And the view you want. Oh, my master in this subject. So this will tow this cabin and reduce this squad. And they said, And you have someone? Yes, you. You. So this will go. But this I and you go this and the ring will open. All right? No, you got this one. Did you continue to another Britney variation? This, Tom, this will again this fall. So you get the new combat and this time you got do and you need to goto acidic environment. Was he? And this will There will be spawn. And this will go through this. I knew that. This that this one And you got that at this point. So we had new gumbo in this. Your final product. The more this so this month

Another reaction mechanism. That's cool. We have a cycle Hex e known already in thie. Reactant. And we have he won three key to us there. Ah, I see where this is going. Okay, so this is going to be your nuclear file because it has a super acidic proton. They're being adjacent to both Kerpen eels. And this here is going to be your electric file going through some Michael edition. Right? So or is it sodium? Dockside? This an ion Khun de Protein ate here. It doesn't really matter which side, but all move to the key tune. Now this in a late can come down and around this carbon is going. Teo, attack this, Michael. Except there, we're going to generate a 12345 member during at this position. That was hideous. Ah, still not so great. But it's a kill. Kill with it. So if this is Kevin five, this one has been having 1234 and carbon one. We have a dangling Esther current too. We have our he tone come in three years. Nothing. Of course. Carbon force that joint though this original position, we've lost methanol. So now we can regenerate our acid by this and ion get impersonated. Uh, Steven, I clear whatever. You know, have fun. We're opportunity after this. Tots memorization. Okay, 600 ring there. 500. Drink here. Key tune. Esther? No, They keep telling me courses under basic conditions. So we would have this go ahead. Anti personnel at this position. And then this deeper tonight. Another methanol. It's all solvent mediated to get to our final product.

So he was just looking to add hours to the mechanism below. So oxygen is our nuclear file. Hydrogen is our electric file. We generate this protein ated species where then the oxygen off the water molecule becomes on it. Clear file attacks that carbon in the carbon ill knocks up the electron density onto the oxygen. We now have a protein ated species once more. And then our oxygen the tax up proton as a nuclear file to get rid off that formal positive charge to generate our final structure on our O. H three plus So began. The Arrowhead is moving in the direction of where our electron density is moving to in every single step.


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