Question

4.3. Which reaction which reaction in each pair would be expected to be faster? Explain. a. CHỊ CH, Ar-CHOSO,CH3 solvolysis in Ar-CHOSO,CH2CF, 80% ethanol Ar = 3, 5-bis-(trifluoromethyl)phenyl CHE S c-OCP or CHE solvolysis in -C-OCPh 100% ethanol CHE CHE CH OTS solvolysis in acetic acid C(CH₃)3 solvolysis in aqueous acetone OPNB CHg OPNB CH OTS LOTS Solvolysis in acetic acid reaction with Ki f. PhSO CH CH CI or PhSO,CHCI CHg 9. (CH3),CCH, ODNB or n CH ODNB solvolysis in aqueous dioxane h. H CH CH ONos H CH CH ONos solvolysis in a PHS(CH),CI or PhS(CH),CI methanol D cetic acid + PHOẠCH or 1-CH-Ph Br --CH-Ph co₂ph solvolysis in acetic acid 44. The solyolysis of an

Answer 1

Selution: 43) c) A,-o-s Ar--0-Se- 2- 4 Boy ettauol better leav ing rp (c because rt has ai patonce the neactity Ph Confeund ude r Fate Solely sle eanel Snce Ngive mBYe otatle caocation intemeliate de Teaction Ese Ceusse Ts Y A compeuid der ge ter holyas Aect ael Since hes leaving gre a carton, Hous ever Pn confpey-n A, leavi r at Grilgirgy castnr oneh nedeophi tic ata t sse Q OPNA SPNG A cempeund ndege falter sohohes seg fo A comfpre chtrptin che ceuter less hindered as is forer eeetonr Dzucous Hence, sololysis