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A2 Chem: what is the difference between an amine and an amide?

AQA Unit 4 revision on amines, could someone explain to me when you would use both words? Thank you :smile:
An amine is just an NR2 group attached to an organic molecule, but an amide is is of the structure RC(=O)NR2 - there is a carbon-oxygen double bond adjacent to the nitrogen/amine group:

http://en.wikipedia.org/wiki/Amine

http://en.wikipedia.org/wiki/Amide
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i'mlaura
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Original post by PythianLegume
An amine is just an NR2 group attached to an organic molecule, but an amide is is of the structure RC(=O)NR2 - there is a carbon-oxygen double bond adjacent to the nitrogen/amine group:

http://en.wikipedia.org/wiki/Amine

http://en.wikipedia.org/wiki/Amide


Thank you, so what is n- substituted then because I thought that was the same as an amide?
Original post by i'mlaura
Thank you, so what is n- substituted then because I thought that was the same as an amide?


No, an amide or amine is n-substituted when more than one alkyl group is attached to the nitrogen atom (rather than 2 hydrogens).

^I'm not 100% sure that's the definition, but I think that's what they mean by n-substituted. It's certainly not the same as an amide - you can have n-substituted amines or amides.

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