WebBromination of nitro benzene gives meta -bromo nitro benzene as the major product because the nitro group is a meta director. Related terms: Deactivating group, activating group, arenium ion, carbocation , … WebOct 17, 2016 · 4. KBrO3 oxidizes HBr -> Br2 is formed. Br2 does electrophilic aromatic substitution. But because the oxidation is relatively slow, low concentration of Br2 is formed at a time. Hence, there is not too much …

Bromine Properties, Uses, & Facts Britannica

WebJul 7, 2024 · Meta director: In electrophilic aromatic substitution, a substituent that favors electrophilic attack meta to the substituent. Most meta directors are also deactivators. Bromination of nitrobenzene gives meta-bromonitrobenzene as the major product because the nitro group is a meta director. Is Oh op directing? WebAug 18, 2016 · Things become more complex with 1-bromo-2-chlorobenzene (9, Table 1). 14, 8(c) Indeed, whereas trifluoromethyl is only a moderate ortho-directing group due to its bulkiness, 11(b), 15 chlorine exerts a stronger short-range acidifying effect, 8a not very different from that of bromine. 14 As a consequence, metalation can take place rather … the lady circles

Ortho-, Para- and Meta- Directors in Electrophilic Aromatic …

WebNov 28, 2003 · Bromine as the ortho-directing group in the aromatic metalation/silylation of substituted bromobenzenes J Org Chem. 2003 Nov 28;68(24) :9384-8. doi ... On the contrary, the disilylation of meta-substituted bromobenzenes was not efficient or even failed in some cases and hence monosilylated derivatives were isolated as major or sole … http://www.chem.ucla.edu/~harding/IGOC/O/ortho_para_director.html WebFor example, by looking at the structure of m -bromonitrobenzene, you could imagine that the compound could be made by the bromination of nitrobenzene, but not by the nitration of bromobenzene. That's because nitro groups are meta- directors, but bromo-groups are ortho-, para- directors. the lady chapel was bullt for ladies