Aldehydes Ketones Question 89
Question: Which alkene is formed from the following reaction $ CH_3CH_2CH_2CH=PPh_3+2-Butanone $
[Manipal 2001]
Options:
A) 3- Methyl-3-heptene
B) 4-Methyl-3-heptene
C) 5-Methyl-3-heptene
D) 1-Methyl-5- methane
Show Answer
Answer:
Correct Answer: A
Solution:
$ \underset{2-Butanone}{\mathop{CH_3CH_2-\overset{CH_3}{\mathop{\overset{|}{\mathop{C}}=O}}}}+CH_3CH_2CH_2CH=PPh_3 $
$ \to \underset{3-\text{methyl,}3-heptene}{\mathop{CH_3CH_2\overset{CH_3}{\mathop{\overset{|}{\mathop{C=}}C}}HCH_2CH_2CH_3+Ph_3PO}} $
BETA
