How to get 2 methylpentadiene 1,3 from 1) alkane (alkene) 2) halogenated 3) alcohol?
| July 26, 2021 | education
1. Reaction dehydrogenation or elimination of hydrogen (reaction conditions t, Ni).
CH3 – CH – CH2 – CH2 – CH3 -> CH2 = CH – CH2 = CH2 – CH3
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CH3 CH3
2. CHCl2 – CHCH3 – CH2 – CHCl2 – CH3 + 2Zn -> CH2 = CHCH3 – CH2 = CH2 – CH3 + 2ZnCl2.
The reaction condition is temperature.
3. CH2OH – CHCH3 – CH2 – CHOH – CH3 -> CH2 = CHCH3 – CH2 = CH2 – CH3 + 2Н2О.
The reaction is called dehydration, it takes place under the action of concentrated sulfuric acid.
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