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Abstract−The approach of this theoretical work is to study the step by step mechanistic pathway of electrophilic substitution reaction in substituted benzene and evaluating energy of each species involved in the mechanism. Nitrobenzene was taken as substituted benzene, nitronium ion was taken as an electrophile while hydrogen ion (H+) act as the leaving group. The nitro group present in the ring is an electron withdrawing group therefore its effect on electrophilic substitution of hydrogen from the ring system was taken into consideration. Quantum mechanical based computational calculation was employed for determining energy of molecular/ionic structures involved in the mechanism, where activation or deactivation of the ring by nitro substituent and its directing behaviour to the meta or ortho position for electrophilic substitution were also included for a part of the study. The study is based upon the energy calculation of different structures in the mechanistic pathway and calculation of activation energy for 1,2-shift in meta and ortho-positions.
Keywords:
Keywords−1,2-shift, meta and ortho-positions, electrophilic substitution, mechanistic pathway, nitrobenzene, nitronium ion, activation energy
Cite Article:
"Comparison of ortho and meta-positon of nitrobenzene for aromatic electrophilic substitution reaction", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.4, Issue 4, page no.12 - 16, April-2019, Available :http://www.ijrti.org/papers/IJRTI1904004.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator