Question

4. Draw the mechanism for the following E2 reactions + CH3ON to- ONa

Answer 1

4A) EL Rotatvon Et £2 wrough c-e H banaround H Et E2 eaction align ment. thence we niud fo Yotate the bond to make H anti to Br Brr must presenf in ak: pepiplanan Flit 4 H E2 3 4 Crodut)

In the given chair lnfmatim no hydrogen poent anti wita sespect to T as I present in eguakorial posifion. Hena to Cundergo E2yeactien the ring rst fip in hich I Foes equatrrial to axial. Afteo fupin thE2 eliminatin Cam takes plaee as &won in above reauhon neehanim.