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Boddu rama krishna Best Answer
c
why ylide attack on that ketone?
conjugate ketone less reactive than isolated ketone
what about option d
option D is Cis alkene. if ylide wittig is non stabilized resultant product is cis alkene...
ok if it is stablized than trans product will be formed?
yes sourav..
what is it regioselectivity not stereo
particulary one region it is attacked . here two keto groups are present but wittig reagent attack one keto (isolated) group only..
but sir c alkene is cis na?
it is trans...H and Me groups oppt side..
high priority groups are opposite side