How do you convert Ethanol to But-2-yne?
Conversion of Ethanol to But-2-yne:
Step 1: Formation of Chloroethane
The ethanol is first reacted with thionyl chloride to produce chloroethane:
Step 2: Formation of Ethene
The chloroethane then formed is now reacted with alcoholic potassium hydroxide which undergoes dehydrohalogenation and produces ethene:
Step 3: Formation of 1,2-Dibromoethane
This ethene is then treated with which undergoes electrophilic substitution and forms 1,2-Dibromoethane:
Step 4: Formation of Ethyne
The 1,2-Dibromoethane formed is now treated with at 196K to produce ethyne:
Step 5: Formation of Disodium acetylide
This ethyne is again treated with the same reagent () at 196K to produce disodium acetylide:
Step 6: Formation of But-2-yne
Finally, the disodium acetylide is reacted with in order to obtain our required product But-2-yne:
Therefore, the conversion of ethanol to But-2-yne can be done using the steps.