Eraserhead then laughed saying "it must be. I keep this forever. "That was two question bud, but I will still answer them both. Work Text: Izuku is sitting at the bus stop trying to hide from his bullies, but it then started to rain. My high school bully manhwa raw 88. Izuku then got up walking to door and before went out he turned around and looked at Aizawa saying "thank you Mr. Aizawa for being the greatest teacher and for taking time out of your day 5 years ago to talk to me.
Aizawa was thinking poor boy. Izuku was holding the card looking it over saying "so you really are Pro Hero Eraserhead. My high school bully manhwa raw 104. When it started to rain Izuku cursed under his breath, because he didn't have his umbrella with him today thinking it was supposed to be a nice day. Aizawa then went up to Izuku desk saying "Midoriya I was wondering where did you get that scarf. "That is fine Sir and my quirk just came late. I have many more at home I can grab.
The man thought 'his mother taught him right in that department. "No it's fine buddy. Izuku looked a little scared to answer and Aizawa then said "its ok bud you don't have to tell me if you don't want to. "I would like that Mr. Aizawa and could you also teach me how to use the scarf you gave me please. Izuku looked at Eraserhead with a untrusting look saying "you are right I don't know of you, cause I don't know if you are really Eraserhead. 1 indicates a weighted score. Aizawa then had a look of shock on his face saying "are you kidding me. Read my high school bully manhwa. "I am 10 years old and I am sitting here because I was trying to hide from bullies. Izuku then gave Aizawa a big hug saying "thank you Mr. Aizawa finding out who Izuku is, is happy that he got to see him again. It's also pretty warm.
Some kids hated me because of my quirk cause I could take theirs away. Aired: Sep 17, 2016. Eraserhead then nodded his head. The two then said bye to each other with them both going different ways. Eraserhead then fished in his pocket to get his wallet and pulled out a card handing it to Izuku saying "how about this bud. The two then stay sitting at the bus stop talking about many different things for about an hour.
"Hey buddy, why are you sitting here by yourself. 94 1 (scored by 14870671, 487, 067 users). It's my hero license to prove who I am. Izuku then looked down sad and Eraserhead cursed himself for making the kid sad. Aizawa looked at Izuku worried about why he was thinking like that. "Ok now I am going to ask you question bud. I feel like such an asshole. Streaming Platforms. Eraserhead then sighed saying "how about we ask each other some questions so you can trust me better.
Izuku then got really excited saying "this is so cool I get to meet a underground hero. Izuku then hugs Aizawa saying "thank you Mr. Eraser for not hating me. Aizawa then said "well bud it's getting late and I need to get to work and you need to get home. "I did not I just wanted to double check if it was you, but I will also say I didn't realise who you were until I saw the scarf. Members: 2, 140, 920. Theme: Romantic Subtext Romantic Subtext.
Aizawa then said "ok bud you should get going before your friends start to get worried about you. "I want to make it up to you and if you are ok with it that, I would like to train you after school. "It's ok Mr. Eraser I will answer the questions. Aizawa then messed with Izuku hair, with the two of them laughing. 2 based on the top anime page. Aizawa then thought for second before he took of his scarf putting it on Izuku saying "you can have this bud and use it whenever you are sad. Everyone has been at UA for about 3 months now and it was one really cold rainy day. Izuku then said "Mom said I shouldn't talk to strangers. My name is Izuku Midoriya or everyone calls me Deku and my quirk is well I don't have one Mr. Easer. Please note that 'Not yet aired' and 'R18+' titles are excluded. Izuku sat there for about 10 minutes before he heard a voice.
Summary: A young Izuku is sitting at Bus stop hiding from bullies, until a younger Shota Aizawa finds Izuku who talk with each other for a bit and before they left Aizawa gave him a gift. Izuku looked at Aizawa with star in his eyes saying "your quirk sounds so cool. When he realised who he was he was happy, but also mad at himself for treating Izuku so bad on the first day. Ok so my real name is Shota Aizawa and my quirk is called easer. French: A Silent Voice. Status: Finished Airing. The two then let go of there hug and Aizawa then asked "now I was wondering bud how old are you and why are you sitting here by yourself. 5 years later one day Aizawa sees' the gift he gave Izuku and remembers who he is.
What is your name and what is your quirk? Demographic: Shounen Shounen. When the school day was over Aizawa tells Izuku to stay behind to talk with him.
Endo and Exo products of Diels-Alder Reaction. Next let's follow these pi electrons on the dienophile. Electrocyclic reactions. What are Diels Alder reactions used for? We have our double bonds trans about this single bond, so we have to rotate about this single bond here to go from the s-trans confirmation to the s-cis confirmation.
Huisgen Cycloaddition: Mechanism & Overview Quiz. Diels Alder Reaction in Organic Synthesis Practice Problems. This substituted alkene is commonly referred to as a dienophile. With the EDG in 'position 2' the resulting product will have the EDG and EWG 'para' with respect to each other. It is not always the case that achiral reactants form a racemic mixture, but it is beyond the scope of this problem. Diels-Alder Practice Problems. It is used to make synthetic steroids, such as cortisone and Vitamin D [2]. You can simply flip one of the reactants upside down to better visualize the formation of two isomers: This is the regiochemistry or the regioselectivity of the Diels-Alder reaction.
Which products have the right regiochemistry? Since the Diels-Alder reaction mechanism is concerted, the reaction proceeds in a single step cycloaddition reaction. The class of reactions to which Diels-Alder belong is termed as cycloaddition. If you need to polish your skills in the main aspects of the Diels-Alder reaction, you can try to work on these practice problems first: - Predict the Products of the Diels-Alder Reaction with Practice Problems. 3 chapters | 106 quizzes.
Otherwise, the reaction wouldn't proceed. Note: Regioselectivity: In the absense of a strong electron donating group, alkyl substituents can direct the reaction with electron donating character. There is no net exchange of pi vs. sigma bonds, so there will generally be an equilibrium between the two configurations unless a driving force exists. This reaction is used in the production of vitamin B6. Summary of Aromatic Theory Topics: Summary. But all this happens at once. Electron withdrawing groups on the dienophile and electron-donating group on the diene facilitate reaction [1-3].
Here, two unsaturated molecules combine to form a cyclic adduct. If a nitroso compound is used as the dienophile, the resulting reaction with the diene yields oxazines. Give mechanism and product. Refer to previous reaction examples for more instances where only the endo products are shown, not the exo products. Get access to about 33 more Diels-Alder quiz questions below by joining the MOC Membership ***. The Diels-Alder reaction is an important organic chemical reaction where the reactants include a substituted alkene and a conjugated diene.
Conjugated double bond systems can participate in a variety of Diels-Alder reaction is one in which a conjugated diene bonds in with an alkene to produce a cyclohexene molecule. First you need to recognize the diene and the dienophile. The Diels-Alder reaction is most useful for synthesizing molecules in the lab. In Diels-Alder reaction, the 4𝝅 electron system refers to the diene structure whereas the 2𝝅 electron system refers to the dienophile structure. Next, these pi electrons in blue moved into here to form this bond, and then finally the pi electrons in magenta moved into here to form this bond. So in this set of problems, you can choose a route where the target product is obtained as a mixture, even though it is desirable to design a synthesis where the yield of the target compound is in a reasonable range. This Diels-Alder reaction is a simultaneous cycloaddition reaction because on the same face of the diene or dienophile the two new carbon-carbon sigma bonds are formed. Examples are the formation of lovastatin, a cholesterol-lowering drug found in oyster mushrooms, and Spinosyn A, a natural insecticide produced by a certain bacterium. Cycloaddition Reactions in Organic Chemistry Quiz. Let's follow our electrons along here. On the left, our diene, we would have our double bonds looking like that, and then on the right, for our dienophile, let me go ahead and draw our ring here and put in the carbonyls.
Accounting for Managers ACCT53 Quiz 2 - Copy (1). A tricyclic system with a four-membered ring, a five-membered ring, and a six-membered ring. The dienophile is relatively electron poor. What makes a good dienophile(2 votes). Let me give you one hint: whenever you see a six-membered ring with a double bond, think about a Diels-Alder reaction! To check yourself on a problem like this, you can just take the diene and the dienophile that you drew and double check and make sure they give you the product on the right. By looking at the reagents and the product, we can tell that this is a Diels-Alder reaction. Stereoselectivity & Variations. The substituents attached to both the diene and the dienophile and retain their stereochemistry throughout the reaction. Draw in our carbonyls here, and this is our product.