Homework 10

Draw the major product of this aldol addition reaction. Ignore inorganic byproducts. 1. LDA 2. CoHnCHzCHO 3. Neutralizing work-up Drawing Q

Draw the major product of the aldol addition reaction between two equivalents of this ketone with the conditions provided. Ignore inorganic byproducts. 0 ⑤ 1. NaOH 2. Neutralizing work- up

Draw the major product of the aldol addition reaction between two of these aldehydes with the conditions provided. Ignore inorganic byproducts. 1. NaOH H 2. Neutralizing work-up o

Draw the major product of the aldol addition reaction. Ignore inorganic byproducts. 1. NaOH 2. Neutralizing work-up Drawing Q

Please all reactions show

Draw the major product of this aldol addition reaction. Ignore inorganic byproducts. 1. LDA 2. C.HCH2CHO 3. Neutralizing work-up >

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

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Draw the major product of the aldol addition reaction between two of equivalents of this aldehyde with the conditions provided. Ignore inorganic byproducts. 1. H3O+ 2. Neutralizing work-up Drawing H Q

Kindly need help on this questions. Has been stuck on all of it a, b and c T.T

Draw the major product of the aldol addition reaction between two equivalents of this ketone with the conditions provided. Ignore inorganic byproducts. 1. NaOH 2. Neutralizing work- up Select to Draw