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Amines

Short Answer Type

151.

Give the structure of Triethyl methyl ammonium hydroxide.

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152. Explain Gabriel phthalimide synthesis.

Gabriel phthalimide synthesis is used for preparing only primary amines. Phthalimide is first treated with KOH and then with an alkyl halide to form N-alkyl phthalimide. N-alkyl phthalimide on hydrolysis gives primary amine.

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153.

Prepare n-butylamine by Gabriel synthesis.

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154.

Write the chemical equations for the following conversions:
C₂H₅Cl into C₂H₅CH₂NH₂

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155.

Write the chemical equations for the following conversions:

C₆H₅H₂Cl into C₆H₅CH₂CH₂NH₂

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156.

Write structure and IUPAC name of the amide which gives propanamine by Hoffmann bromamide reaction.

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157.

Write structure and IUPAC name of the amide produced by the Hoffmann degradation of benzamide.

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158. Why is aniline weaker base than cyclohexylamine?

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159.

How will you make the following conversions?
Ethanoic acid to Diethylamine.

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160.

How will you make the following conversions?
Ethanoic acid to Dimethylamine

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