Explain with the use of appropriate resonance structures, the regioselectivity of the electrophilic aromatic substitution reaction....
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• Explain with the use of appropriate resonance structures, the regioselectivity of the electrophilic aromatic substitution reaction. Why it is not possible to obtain 2-nitrotyrosine by direct nitration of tyrosine? • Predict how a ¹H NMR spectrum of 4-nitrotyrosine in DMSO-d would appear. (Predict means propose approximate chemical shift, multiplicity coupling data and relative integral for signals representing all protons in the compound.) • Explain with the use of appropriate resonance structures, the regioselectivity of the electrophilic aromatic substitution reaction. Why it is not possible to obtain 2-nitrotyrosine by direct nitration of tyrosine? • Predict how a ¹H NMR spectrum of 4-nitrotyrosine in DMSO-d would appear. (Predict means propose approximate chemical shift, multiplicity coupling data and relative integral for signals representing all protons in the compound.)
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