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The additon reaction of enol or enolate ...

The additon reaction of enol or enolate to the carbonyl function of aldehyde or ketone is known as aldol addition . The `beta`-hydroxyaldehyde or `beta-`hydroxyketone so obtained undergo dehydration in second step to produce a conjugated enone. The first part of reaction is an addition reaction and the second part is an elimination reaction. Carbonyl compound having `alpha`-hydrogen undergoes aldol condensation reaction .
`2CH_(3)CH_(2)-overset(O)overset(||)C-Hunderset(Delta)overset(""^(Ө)OH)rarrCH_(3)CH_(2)CH=underset(CH_(3))underset(|)C-overset(O)overset(||)C-H`

Find out major product of following reaction :

A

B

C

D

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The correct Answer is:
B
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The additon reaction of enol or enolate to the carbonyl function of aldehyde or ketone is known as aldol addition . The beta -hydroxyaldehyde or beta- hydroxyketone so obtained undergo dehydration in second step to produce a conjugated enone. The first part of reaction is an addition reaction and the second part is an elimination reaction. Carbonyl compound having alpha -hydrogen undergoes aldol condensation reaction . 2CH_(3)CH_(2)-overset(O)overset(||)C-Hunderset(Delta)overset(""^(Ө)OH)rarrCH_(3)CH_(2)CH=underset(CH_(3))underset(|)C-overset(O)overset(||)C-H Find out product of following reaction : X is :

The additon reaction of enol or enolate to the carbonyl function of aldehyde or ketone is known as aldol addition . The beta -hydroxyaldehyde or beta- hydroxyketone so obtained undergo dehydration in second step to produce a conjugated enone. The first part of reaction is an addition reaction and the second part is an elimination reaction. Carbonyl compound having alpha -hydrogen undergoes aldol condensation reaction . 2CH_(3)CH_(2)-overset(O)overset(||)C-Hunderset(Delta)overset(""^(Ө)OH)rarrCH_(3)CH_(2)CH=underset(CH_(3))underset(|)C-overset(O)overset(||)C-H Which of the following will give aldol condensation ?

CH_(3)-underset(CH_(3))underset(|)(CH)-CH=CH-CH_(2)-overset(O)overset(||)(C)-OH

The reaction CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C )-ONa+CH_(3)CH_(2)ClrarrCH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C )-O-CH_(2)-CH_(3) is called

The reaction CH_3-underset(CH_3)underset(|)overset(CH_3)overset(|)C-ONa+CH_3CH_2Clunderset(-NaCl)rarrCH_3-underset(CH_3)underset(|)overset(CH_3)overset(|)C-O-CH_2-CH_3 is called

CH_(3)CH_(2)-overset(O)overset(||)(C)-CH_(3) overset(NaNO_(2))underset(HCl)(to) , Major product of this reaction is :

Acid-catalyzed mechanism of given aldol reaction. 2CH_(3)-overset(O)overset(||)C-CH_(3) overset(HCl) to CH_(3)-overset(O)overset(|)C-CH=overset(CH_(3))overset(|)C-CH_(3)+H_(2)O

HIMANSHU PANDEY-CARBONYL COMPOUNDS-Linked Comprehension Type (Q.1 To Q.25)
  1. The additon reaction of enol or enolate to the carbonyl function of al...

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  2. The additon reaction of enol or enolate to the carbonyl function of al...

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  3. The additon reaction of enol or enolate to the carbonyl function of al...

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  4. The base catalysed reaction of 1,2-diketone to a salt of 2-hydroxy car...

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  5. The base catalysed reaction of 1,2-diketone to a salt of 2-hydroxy car...

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  6. The base catalysed reaction of 1,2-diketone to a salt of 2-hydroxy car...

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  7. When an aldehyde with no alpha-hydrogen react with concentrated aqueo...

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  8. When an aldehyde with no alpha-hydrogen react with concentrated aqueo...

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  9. When an aldehyde with no alpha-hydrogen react with concentrated aqueo...

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  10. When two molecules of an ester undergo a condensation reaction, the re...

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  11. When two molecules of an ester undergo a condensation reaction, the re...

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  12. When two molecules of an ester undergo a condensation reaction, the re...

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  13. A organic compound A has molecular formula C(11)H(14)O.A on treatment ...

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  14. A organic compound A has molecular formula C(11)H(14)O.A on treatment ...

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  15. A organic compound A has molecular formula C(11)H(14)O.A on treatment ...

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  16. A + B underset(Delta)overset(NaOH)rarr Product :

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  17. Find correct structure of E :

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  18. E overset(CF(3)CO(3)H)rarr Product :

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  19. Compound having -overset(O)overset(||)C-CH(3) group reacts rapidly wi...

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  20. Compound having -overset(O)overset(||)C-CH(3) group reacts rapidly wi...

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