Draw the major organic product from reaction of 2-butyne with li in nh3.

Question

Chemistry

Araceli Meadows

15 January, 09:28

Draw the major organic product from reaction of 2-butyne with li in nh3.

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Maxwell Hickman · Answer 1

Alkynes can be reduced to trans - alkenes using Li (lithium) in NH₃ (ammonia).

Lithium is a reducing agent.

In this case product is trans-2-butene.

Reaction:

CH ₃ - C≡C-CH ₃ (2-butyne) + 2 Li in N H ₃ (liq) - - >

trans CH ₃ - CH=CH-CH ₃ + 2 LiN H ₂ (lithium-amide).