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Althought epoxides do not contain a good...

Althought epoxides do not contain a good leaving group, they contains a strained three membered ring with polar bonds. Nucleophilic attack opens the strained three membered ring making it favorable process even with the poor leaving group.

This reaction occurs readily with strong nucleophilic , and with acids like HZ, where Z is nucleophilic atom.

Find out the correct product of the reaction

A

B

C

D

Text Solution

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The correct Answer is:
B
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Althought epoxides do not contain a good leaving group, they contains a strained three membered ring with polar bonds. Nucleophilic attack opens the strained three membered ring making it favorable process even with the poor leaving group. This reaction occurs readily with strong nucleophilic , and with acids like HZ, where Z is nucleophilic atom. Find out major product of reaction:

Althought epoxides do not contain a good leaving group, they contains a strained three membered ring with polar bonds. Nucleophilic attack opens the strained three membered ring making it favorable process even with the poor leaving group. This reaction occurs readily with strong nucleophilic , and with acids like HZ, where Z is nucleophilic atom. What would be the major product of reaction?

For a typical nucleophilic aromatic substitution reaction to take place . 1. Nucleophilic atom should be of oxygen nitrogen or sulphur. 2. Leaving groups should be halide. 3. There should be strong electron withdrawing at ortho and para position to leaving group. Find out correct product of following reaction

For a typical nucleophilic aromatic subsitution reaction to take place. (1) Nucleophilic atom should be of oxygen, nitrogen or sulphur. (2) Leaving group should be halide . (3) There should be strong electron withdarwing at ortho and para position to leaving group. Find out correct product of following reaction :

Attack by a strong nucleophile such as CH_(3)O^(Theta) (Methoxide ion ) on an epoxide occurs at the least hindered carbon similar to an S_(N)2 reaction Attack by a weak nucleophile such as MeOH . Can occur only when the epoxide has been protonated so that a better leaving group is formed under acidic condition weak nucleophile attacks more substituted carbon to give final product . What would be the major product of the given transformation ?

Alcohols are converted to tosylates by treatment with p-toluence sulfonyl chloride (TsCl) in the presence of pyridine. This overall process converts a poor leaving group (overset(Ө)H) into good one (overset(Ө)Ts) . A tosylate is a good leaving group its conjugates acid p-touence sulfonic acid is strong acid. Beacuse alkyl tosylates have food leaving groups, they undergo both nucleophilic substitution and beta-"elimination" . Find the major product of the following reaction:

HIMANSHU PANDEY-ALCOHOLS AND ETHERS-Linked Comprehension Type
  1. Althought epoxides do not contain a good leaving group, they contains ...

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  2. Althought epoxides do not contain a good leaving group, they contains ...

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  3. Althought epoxides do not contain a good leaving group, they contains ...

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  4. 1,2-diols are oxidised to ketones or aldehydes by periodic acid HIO(4)...

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  5. 1,2-diols are oxidised to ketones or aldehydes by periodic acid HIO(4)...

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  6. 1,2-diols are oxidised to ketones or aldehydes by periodic acid HIO(4)...

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  7. Carbon oxygen double bond are easily reduced by NaBH(4) or LiAlH(4). T...

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  8. Carbon oxygen double bond are easily reduced by NaBH(4) or LiAlH(4). T...

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  9. Carbon oxygen double bond are easily reduced by NaBH(4) or LiAlH(4). T...

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  10. An organic compound (A) on treatment with CHCl(3) and KOH gives (Y) an...

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  11. An organic compound (A) on treatment with CHCl(3) and KOH gives (Y) an...

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  12. An organic compound (A) on treatment with CHCl(3) and KOH gives (Y) an...

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  13. A tertiary alcohol (H) upon acid-catalysed dehydration gives a product...

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  14. A tertiary alcohol (H) upon acid-catalysed dehydration gives a product...

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  15. A tertiary alcohol (H) upon acid-catalysed dehydration gives a product...

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  16. Alcohols are converted to tosylates by treatment with p-toluence sulfo...

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  17. Alcohols are converted to tosylates by treatment with p-toluence sulfo...

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  18. Alcohols are converted to tosylates by treatment with p-toluence sulfo...

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  19. Acid catalysed conversation of 1,2-diol or vicinal, into carbonyl comp...

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  20. Acid catalysed conversation of 1,2-diol or vicinal, into carbonyl comp...

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