Which Order of Alterations Would Most Effectively Transform Trans-2-Butene into 1-Butene

question 20

Multiple Choice

Which order of alterations would most effectively transform trans-2-butene into 1-butene?

• A)convert to the dibromoalkane,then to the terminal alkyne,then to the terminal alkene
• B)convert to an alcohol,then to a terminal alkyne,finally to the terminal alkene
• C)convert to the terminal alkene in one step
• D)shorten the chain by two carbons,then add a two-carbon alkene to the end
• E)convert to an alkane,then to a terminal alkyne,and finally to a terminal alkene

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Definitions:

Identical Monomer

A repeating unit within a polymer where all monomers are the same chemical structure.

Urethane

A chemical compound also known as ethyl carbamate, used in the production of medicines, pesticides, and as a building block for polymers.

Carbamate Ester

Organic compounds derived from carbamic acid, featuring a carbonyl group attached to an alkyl group and an amine group; used in various applications, including pesticides and plastics.

Aryl Diisocyanate

Organic compounds containing two isocyanate groups (-N=C=O) attached to an aromatic ring, used in the production of polyurethanes.