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Is the reaction pathway for Ethylamine from Ethene:

  1. Ethene ----> Chloroethane ----> Ethylamine; or

  2. Ethene ----> Ethanol ----> Ethylamine


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1 Answer

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Best answer

To be honest, I'm not sure. They would both be viable substitution reactions (replace -Cl or -OH with -NH2 group), but there should be one which is favoured more than the other.

One way you can estimate which one is better, is by looking at what your reagent and by-product might be.

NH3 --> HCl (via chloroethane)
NH3 --> H2O (via ethanol)

I would suspect that the 2nd reaction makes more sense, because you end up with a more stable compound (H2O vs HCl)

If you check the Wikipedia article, it seems to agree that ethanol and ammonia (NH3) is the more common synthesis of ethylamine. http://en.wikipedia.org/wiki/Ethylamine


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