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Provide the product and mechanism for the following reaction (25 pts)MeBrz CHCIaMe...

Question

Provide the product and mechanism for the following reaction (25 pts)MeBrz CHCIaMe

Provide the product and mechanism for the following reaction (25 pts) Me Brz CHCIa Me



Answers

Predict the product(s) and provide the complete mechanism for each reaction below.

This question asked us to predict the major product for this reaction and righting mechanism to explain how it's formed So we can see here we have a secondary Ben Zelic, a Lilic, um, leaving group and a weak nuclear file. Weak base. So this is going to do sn one or e one. But because of all the conjugation that we have going on here, it's probably going to be mostly E one. So that's what we're going to dio. So the first step in an E one is to form our car, broke a tie in, and that will happen, actually draw that part just by kicking the chlorine off. So the car broke out. I in will look like this. Um, and now there is a more stable carbon cattle and we could get here. Um, So if we this is a Lilic. So if we resonate it like this, we can actually get from a secondary to a tertiary. Oops. So that would look like this. And the reason that we want to do this, um a is because it's a little bit more stable and B because it allows us to eliminate again. So I've already sick with this carbo cada and there's nowhere for us to eliminate. That would be a stable product because you can't. We don't want to form accumulated dying. That's very unstable. We want conjugated. And if we put the carbo catalina this carbon now we conform. Another conjugated al keen to the residence right here So we can do you go on to one of these medical groups on get a second AL Keen conjugated with this system. So what's gonna happen is one of the hydrogen on one of those metal groups here will be grabbed by our base and the electrons in that C h bond will go on and become the pie von So that will look like this. So that is what the product looks like. Um, or you could also put the double bond up here on this method group. Either one is fine. Um, there is no stereo chemistry on this, um al keen on the end here because there's two hydrogen from the end of matter, which, when you go to so it doesn't really matter how you draw it, that is our product. It has that second conjugated al keenan. It

This is the answer to Chapter 30. Problem number 14 from the Smith Organic Chemistry textbook. Ah, and this problem is asking us to draw a stepwise mechanism for this reaction between foreigners steal, die phosphate and ice o pente neo die phosphate. Um, and it basically amounts to a, uh, a chain elongation or the addition of another, um, I supreme unit to this far in a steel for missile by phosphate. Um, and so the first thing that's gonna happen, we should remember from the textbook that die phosphate is a good leaving group. So the electrons from this carbon oxygen bond will revert to the oxygen of this die phosphate on Remembered. The dye phosphate group is abbreviated commonly as O p p. On. So that's the O. P. P. Group there. So we'll just draw this whole molecule out double owned double bond. I don't mind, um, and so we now have a carbo cat eye on on this carbon that formerly had a Dopp group on it. And so now we have a car broke. And so the soap ensign, you'll die. Phosphate is going to come in. Um, let me draw that. So there's the also pension. You'll die fast feet and the electrons off the double bond are going to attack our newly formed carbo cat eye on. Um And so the product of that will be the addition of this new, um, it won't be a new eye supreme group yet, so so here, the ice. Oh, Penton, you'll die. Phosphate has added to the pharmacy. Oh, di phosphate. Um, product. And we are going to have, uh, the carbo cat eye on located here. Now, on this carbon, um, fairly stable because it's tertiary. Uh, and so we will also have a hydrogen there. Um and so basically, what's going to happen is, um, some base that's floating around solution here. Uh, well, come and take this hydrogen. Oh, boy. There we go. He's, uh, sorry. I had a little bit of lag, so base will come and take this hydrogen. Um, and the electrons from this hydrogen from the carbon hydrogen bond, we'll revert two. Um, make a double bond here, and so we will end up with our final product. And in our final product, we basically, uh, just added an eye. Supreme Unit two are starting die phosphate And so this, uh, this is the final product. Who? It's not a good underlined. Sorry. Uh, student green. So this is our final product here. Um, so we had one. Well, we had one, two, three i supreme units to start on. Then here at the end, we have one, 23234 I supreme units on dhe. We have our dive Foss fied here, and we started with die Fast, fied. So functionally, we've just added one eye supreme unit to this chain. And that's the stepwise mechanism for this reaction. And that's the answer to Chapter 30 problems over 14.

Provide the product and mechanism for each of following reactions for a Okay. Here is our starting reactant. Mhm. Come up here. E l c l three Leaving would be L C L four minus. This would produce intermediate. Come over here. Yeah, would produce another intermediate. Mhm. Yeah. Positive charge. Here. Bring back the LCL four Minus here would go here, and this would form our products here. Mhm. Mhm. Yeah. Okay. Okay. This would be to three die Hydro one he? Yeah, And then one own for B or mechanism is a strict so and come out. I'll see all three. Hey, I'll see All for minus. Oh, ch three positive charge. Bring in the next reactant here. Yeah, b o c me and this would go up. Go over. This would go up here and this would produce. Thank you, Intermediate. Cool. You three plus charge. Yeah. Okay. Double bond O C. Green. And then if we bring in Mm. A L C l four minus. This would come here. This bond would come over here, respond with gold here. Okay. This double bond, we'll go to the oxygen and we'll have our product here of Yeah, Yeah, And there is the product and the mechanism for the formation in straw. The mechanism for C mhm starting here. It's with roads, A l C 03 And I'll see all four minus. Okay. This would produce each three seats. Oh, plus could bring in next reactant here. Mhm. Mhm. Okay, yeah. Yeah. And in this double bond, we'll go here would produce. Thank you things. Yeah, Okay. Mhm. All right. And then we'll bring in. Actually, there'll be a positive charge here. A l c l four minus. This would come in here. Mhm. And this would close this here and you would produce. Yeah, Yeah, yeah, yeah. Product here. You know, it would be the product and mechanism for C in all the reactions. Mhm. The electro file approach. Mhm, Yeah, is controlled by the substitute prints. Okay. Mhm. Yeah. Mhm. Already present in the molecule. Mhm. Mhm. In the case of Ortho para orienting groups, the para position is usually preferred as it minimizes hysteric indirection

No ocean is complete the reaction and the proposal mechanism. So we are going to discuss when the parent glycol is reacting with acidic medium. Then what compound will get for like this reaction to this court cannot cannot get it tonight, fake so. And now this mechanism. Ohh group is it? Yeah. Okay, well documented by other again of the X plus. Okay. So if we have come home but it's not night prevention. See it poet the exports. It just takes place. So first question is that which alcohol group will be faster donate. That always group will be But yeah, because in this thank you alcohol growth a little charge will come at this carbon positive charge is highly stable practice. So now we can observe that these words will take X plus then they will convert into the edge to and this has to get eliminate then we will get carnival japan. Yeah this car now there is 12 hydro accepting by because this carbo but that is more stable on this carbon because of back bonding by the group. So I tried something will takes place 12 surfing very takes place then we will get mhm positive charge. What CS this long finish your dinner with this carbon content and then we will get and over here see if they were born the food three years two, go see it. Yes or no. So this is the final compound. Earlier opening. Okay, thank you


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