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Which alkene is formed from the followin...

Which alkene is formed from the following ylide carbonyl pair
`CH_(3)CH_(2)CH_(2)CH=PPh_(3)+2"=Butanone"`

A

3-Methyl-3-heptene

B

4-Methyl-3-heptene

C

5-Methyl-3-heptene

D

1-Methyl-5-methane

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("2-Butanone")(CH_(3)CH_(2)-overset(CH_(3))overset("| ")"C "=O)+CH_(3)CH_(2)CH_(2)CH=PPh_(3)rarrunderset("3-Methyl-3-heptene")(CH_(3)CH_(2)overset(CH_(3))overset("| ")"C "=CHCH_(2)CH_(2)CH_(3)+Ph_(3)PO`
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