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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