Question

Which of the following is the major product of the nitration reaction of compound 1 below? ÇO-OH HNO3 /H2SO4 ????? CO-OH СО-он со-он CO-OH NO2 ON CO-OH CO-OH ON CO-OH II (b) III (c) IV (e) III & IV (d) II & III If thiophene below reacts like benzene, at what position will alkylation occur? (a) 1 (b) 2 (c)3 (d) 4 (e) 5 4 3

I understand that OH is a EDG so I expect a para/ ortho position but how doni determine the major product and which sode of the ring it will be on

Answer 1

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pool fooH Cool ON cool (major) Here only © iv is formed major When HNO3 react with Hagoy thes. No formed which act as an electrophöle. and the reactant present two-cool group which is electrong withdrawing group (EWG). So, These group are pull the electron towards itself. So, These group are meta directing groupe 80 © iv is the major product