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When two molecules of an ester undergo a...

When two molecules of an ester undergo a condensation reaction, the reaction is called a Claisen condensation. The product of a Claisen condensation is `beta`-Ketonester.

Find out product of following reaction :

A

`Ph-CH_(2)-overset(O)overset(||)C-CH_(2)-Ph`

B

`Ph-CH_(2)-overset(O)overset(||)C-underset(Ph)underset(||)CH-overset(O)overset(||)C-O"Et"`

C

`Ph-CH_(2)-overset(O)overset(||)C-underset(Ph)underset(|)CH-overset(O)overset(||)C-OH`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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When two molecules of an ester undergo a condensation reaction, the reaction is called a Claisen condensation. The product of a Claisen condensation is beta -Ketonester. Find out starting materials for following beta -Ketoester : X and Y are :

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HIMANSHU PANDEY-CARBONYL COMPOUNDS-Linked Comprehension Type (Q.1 To Q.25)
  1. The base catalysed reaction of 1,2-diketone to a salt of 2-hydroxy car...

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

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

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

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

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

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

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

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

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

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

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  12. Find correct structure of E :

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

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

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

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

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  17. Identify correct structure of 'Y' :

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  18. Find out structure of final product P :

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  19. Y underset(H(2)O(2),""^(Ө)OH)overset(BD(3),THF)rarr product Find out...

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  20. An organic compound (A) C(8)H(10)O was subjected to a series of test ...

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