Draw the following intermediate. Be sure to use curved arrows, rather than straight reactionarrows to show electron movement.OHдаQUESTION 4 (10pts):Flip through your textbook. Choose a mechanism and replicate it. Make sure to include allatoms, bonds, reaction arrows, names, ions, charges, curved arrows, etc. Remembermechanisms show the movement of electrons. The curved arrows are important.Some mechanisms you may find:Aldol CondensationBenzilic Acid RearrangementClemmensen ReductionElimination Reaction (E1 or E2)Fischer Indole SynthesisGrignard ReactionHydroboration-OxidationMichael AdditionStrecker SynthesisAcetoacetic Ester SynthesisBaeyer-Villiger OxidationBirch ReductionDieckmann CondensationOxymercuration-DemercurationFriedel-Crafts AcylationHaloform ReactionMalonic Ester SynthesisEsterificationWittig ReactionAldol AdditionBenzoin CondensationClaisen CondensationDiels-Alder ReactionEpoxidationFriedel-Crafts AlkylationEne ReactionMannich ReactionOzonolysisNucleophilic Substitution

【Draw the intermediate】【QUESTION 4 】Aldol Condensation Mechanism: Step-by-StepLet's consider…

Answered: Draw the following intermediate. Be…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter26: Aldol And Claisen Reactions

Section: Chapter Questions

Problem 24E

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= 1 2 ✓ 3 ✓ 4 Draw the complete mechanism for this reaction: OH i o OH H2SO4 YO. + H2O To save you some time, the starting material has been copied into the first drawing area. However, you will still need to add any other reactants or catalysts that take part in the reaction. iou OH Add/Remove step ☑ Click and drag to start drawing a structure.
1. The following reaction will proceed through both the SN1 and E1 mechanisms. Use curved arrows to show electron movement for each step of the mechanism. Draw the final major products. Br MeOH 2. The following reaction will proceed through the E2 mechanism. Draw the structure of the nucleophile and use curved arrows to show electron movement for the mechanism. Draw the final major product. Br LDA LDA: lithium diisopropylamide
4) When a mixture of two different compounds both containing a hydrogens are placed under acidic or basic conditions, crossed aldol products can be formed. By either self-condensation or cross condensations. Draw the 4 aldol and 4 a.B-unsaturated ketones that can be made from the following mixed system. -OH 4 products One way to control this is by either having only one compound with a hydrogens or by reacting the desired nucleophile with lithium diisopropylamide (LDA) before addition of second carbonyl. The issue here is that this reaction stops at the aldol unless excess base is used. он LDA OH heat Show a synthetic scheme of how to use the following carbonyls to control the formation of each cross product (i.e. each as nucleophile and electrophile, two reactions). and
1. The following reaction will proceed through both the SN1 and E1 mechanisms. Use curved arrows to show electron movement for each step of the mechanism. Draw the final major products. Br MeOH 2. The following reaction will proceed through the E2 mechanism. Draw the structure of the nucleophile and use curved arrows to show electron movement for the mechanism. Draw the final major product. Br LDA LDA: lithium diisopropylamide Θ Li
Be sure to answer all parts. Draw the products in the following reaction. of CH,CH,OH Part 1: Identify which mechanism(s) the reaction will undergo. Syl Sy2 ElC E2 Part 2: The number of Sy1 product(s): 1 The number ofEl product(s): 2 Part 3 out of 3 The Syl product: draw structure . The E1 products: draw structure. draw structure . (product with methyl group) (product with ethyl group)
Draw the aldol product that will form when the two reactants shown here are reacted in the presence of an amine base. Do not draw the conjugate acid of the triethylamine base that results. Be sure to include all lone pairs of electrons and formal charges in your product.
Consider the following reactants: OH yes Would elimination take place at a significant rate between these reactants? If you said elimination would take place, draw the major products in the upper drawing area. If you said elimination would take place, also draw the complete mechanism for one of the major products in the lower drawing area. If there is more than one major product, you may draw the mechanism that leads to any of them. no
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Consider each elementary step present in the mechanism of an acid-catalyzed hydrolysis of a nitrile. Draw the organic intermediate after each elementary step. NOTE from Dr. Mahoney: Your mechanism will only cover the hydrolysis of a nitrile to an amide product. It will not cover the conversion of the amide to the final carboxylic acid H30* H₂O Step 3 Step 5 Step 4 11 N
There are three likely elimination products for this E1 reaction. Draw the major product and the two minor products. Ignore any inorganic byproducts. Draw the Major E1 Product H₂O + 11/0 Br Draw One of the E1 Minor ducts ધ heat Draw One of the E1 Minor Products
Draw the structures of the missing intermediates and products in the following mechanism. Include all lone pairs. Ignore stereochemistry. Ignore inorganic byproducts. 2 Но но Br: H20 :Br HBr Draw Major Draw Major Product Intermediate >
In the following reaction sequence, draw the intermediate formed after the first two steps, then select the reagents for each of the next five steps. À reagent might be used more than once. (Draw the most stable form of the intermediate). 1) NaOEt ELOH 2) HзО* NaOEt, EtOH C6H5CH2B1 LIAIH4 3) CнзBr Br2 4) C6H5BR C6H5CH2CH2BR 5) CHзCH2Br H20, H3O*, heat 6) NABH4 7)

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