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Which of the following amines are methyl...

Which of the following amines are methylated by heating with formaldehyde and an excess of formic acid at `100^(@)C` ?

A

Primary amines

B

Secondary amine

C

Both(1)and(2)

D

Tertiary amine

Text Solution

Verified by Experts

The correct Answer is:
C
The reactions is known as the Eschweiler -Clarke methylation
.
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R SHARMA-AMINES-Follow -up Test
  1. Identify the end product of the following sequence of reactions C(6...

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  2. Which of the following amines is employed to synthesize pheny1 isocyan...

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  3. Which of the following amines are methylated by heating with formaldeh...

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  4. Which of the following amines form n-halogenoamines with halogen in we...

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  5. Ethylamine is heated with CS(2) in the presence of Hg CI(2) The produc...

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  6. The end product (B) of the following sequence of reactions (CH(3)CH(...

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  7. When refluxed with ethanolic carbon disulphide and solid potassium hyd...

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  8. When diethylamine is oxidized by KMnO(4) the product is .

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  9. Which of the following does not oxidise a tertiary amine to the amine ...

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  10. Tertiary amine oxides undergo the elimination of a dialkyihydroxylamin...

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  11. Aniline is oxidized by peroxytrifluoro acetic acid in methy1ene dichlo...

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  12. Predict the product of the following reaction C(6)H(5)MgBr+CH(3)NH(2...

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  13. Butan-1 amine reacts with nitrous acid at 0.^(@)C to form .

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  14. Which one of the following compounds will produce a water insoluble ye...

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  15. Which of the following amines undergo Liebermann s nitroso reaction ?

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  16. The presence of a primary amine can be confirmed by its reaction with ...

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  17. Which of the following is known as Hinsberg reagent ?

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  18. Consider the following sequence of reactions NO(2) The end product ...

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  19. Consider the reaction The name of the reactions and the intermediate v...

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  20. Consider the following sequence of reactions .

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