Ethyl iodide is treated first with lithium in dry ether and then with – InterviewSolution

InterviewSolution

1.	Ethyl iodide is treated first with lithium in dry ether and then with cuprous iodide `(Cul)` and finally with `n`-Proply iodide. The expected alkane isA. ethaneB. pentaneC. propaneD. butane
Answer» Correct Answer - B It is the Corey-House synthesis. `CH_(3)CH_(2)Iunderset(Et_(2)O)overset(Li)rarrCH_(3)Lioverset(Cu l)rarr(CH_(3)CH_(2))_(2)CuLioverset(CH_(3)CH_(2)CH_(2)I)rarrCH_(3)underset(Pent a n e)((CH_(2))_(3)CH_(3)`

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