The trans-alkenes are formed by the reduction of alkynes with :
Sn - HCl
H2 - Pd/C, BaSO4
NaBH4
Na/liq. NH3
As we learned
Birch Reduction -
Alkynes on reduction with sodium in liquid NH3 form trans alkene.
- wherein
Option 1)
Sn - HCl
Option 2)
H2 - Pd/C, BaSO4
Option 3)
NaBH4
Option 4)
Na/liq. NH3
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