2.Predict major products for following reactions,indicating stereochemistry if optional (30 points). "·A8 AICls Zn(Hg),HCI △ Hao' 'PPh3 X BuLi CHgCOsH OH TsOH.PhH NaOH 8 TsOH.PhH (9) Br2.trace P OH (10) 2 EtMgBr HaO* 2. Predict major products for following reactions, indicating stereochemistry if optional (30 points). O + (1) 1) AlCl3 2) H3O+ (2) Cl O + AlCl3 Zn(Hg), HCl (3) (4) (5) (6) (7) (8) (9) (10) C-Li + O I O H3O+ + PPh3 X￾BuLi O O CH3CO3H O + HO OH TsOH, PhH O O NaOH O H N TsOH, PhH O O H3O+ OH O Br2, trace P O O 2 EtMgBr H3O+