Question

e) 1) MeMgBr 2) H g) Php CN

predict Major products

Answer 1

i am showing you full mechenism with product.

Me- MgBn omgBuh CH3 CH3 Me Mg Br grignano Reagent 5 CH₃ - Mg Bm o M Br LCH₃ •CH3 -CH3 001 CH, grignard Again Attack on ketone V Ht Quark up) 04 CH3 CH3 OH Product pph3 a PPh 3 (2 -+ PPh 3=CN CN CN (Betain) chaye separation 0 - PPh ₂ PPh3 hen CN CN -Popha F Coxaphosphatane) Product

In first this is simple grignard reagent attacks on carbonyl's carbon centre to make alcohol.

In second it's a example of wittig reaction. (Showing mechanism above)

Hops this helps you alot for your perfect understanding.

Please give feedback if you like my explanation.

Thank you.