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Ethanal to 3-hydroxybutanal...

Ethanal to 3-hydroxybutanal

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To convert ethanal (acetaldehyde) to 3-hydroxybutanal, we will use the aldol condensation reaction. Here’s a step-by-step breakdown of the process: ### Step 1: Identify the Reactants We start with ethanal (CH₃CHO). Since we need to form 3-hydroxybutanal, we will use two moles of ethanal in the reaction. ### Step 2: Deprotonation We will use a base, such as sodium hydroxide (NaOH), to initiate the aldol condensation. The base will abstract a hydrogen atom from the alpha carbon of one of the ethanal molecules. ...
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Knowledge Check

  • Enthanal reacts with alkali to give 3-hydroxybutanal. The reacation is:

    A
    polymerisation
    B
    Claisen condensation
    C
    aldol condensation
    D
    none of these

  • Ethanal reacts with alkali to give 3- hydroxy butanal . The reaction is

    A
    Aldol condensation
    B
    Claisen condensation
    C
    Cannizzaro's reaction
    D
    Clemmenson reduction

  • Identify (X), (Y) and (Z) in the given reaction. X +Y overset(Z) to underset("3-Hydroxybutanal")(CH_(3)-overset(OH)overset(|)(CH)-CH_(2))-CHO

    A
    `{:(X,Y,Z),(HCHO,CH_(3)CHO,KOH):}`
    B
    `{:(X,Y,Z),(CH_(3)CHO,CH_(3)CHO,NaOH):}`
    C
    `{:(X,Y,Z),(CH_(3)CH_(2)OH,HCHO,H_(2)SO_(4)):}`
    D
    `{:(X,Y,Z),(CH_(3)CH_(2)CHO,HCHO,"Dry ether"):}`

    • Similar Questions

    Explore conceptually related problems

    Convert the following : (a) ethanal to propanone (b ) ethanal to lactic acid (c ) Ethanal to 2-hydroxybut -3-enoic acid (d ) Acetaldehyde to formaldehyde. (e ) formaldehyde to acetaldehyde (f ) Acetaldehyde to crotonic acid .

    Two moles of ethanal in the presence of dil. NaOH gives 3-hydroxybutanal. What is this reaction known as ?

    Write the structures of the following compounds: (i) alpha -Methoxypropionaldehyde (ii) 3-Hydroxybutanal (iii) 2-Hydroxycyclopentanecarbaldehyde (iv) 4-Oxopentanal (v) Di-sec-butyl ketone (vi) 4-Fluroacetophenone.

    Write the structures of the following compounds. (i) alpha -Methoxypropionaldehyde (ii) 3-Hydroxybutanal (iii) 2-Hydroxycyclopentane carbaldehyde (iv) 4-Oxopentanal (v) Di-sec. butyl ketone (vi) 4-Fluoroacetophenone

    3-hydroxybutanal formed when X reacts whith Y in dilute Z solution. What are X, Y, and Z?

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