The products formed in the following reaction are+$\rightarrow$
(a)
(b)+ $\mathrm{CH_3SO_2CH_3}$
(c)DMSO
(d)DMSO
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Dimethylsulfoxonium methylide (Corey–Chaykovsky) adds conjugately to the enone and closes the cyclopropane on the C=C, expelling DMSO (c); the isolated isopropenyl group is untouched.