3. Please indicate how many pi electrons each of the following compounds have and whether they...
3. Please indicate how many pi electrons each of the following compounds have and whether they are aromatic, non-aromatic, or anti-aromatic. (8 points) H
3. Please indicate how many pi electrons each of the following compounds have and whether they are aromatic, non-aromatic, or anti-aromatic. (8 points) N н
Brian Lavey 2020 I 3. Please indicate how many pi electrons each of the following compounds have and whether they are aromatic, non-aromatic, or anti-aromatic. (8 points) 'N
1. (a) (10 points) Give the number of pi electrons and determine whether each of the following compounds is aromatic, anti-aromatic, or non aromatic. compound number of x electrons aromaticity cyclohexatrienyl dianion
Please explain:) 3. Aromatic or no? Label each of the following compounds as aromatic, non-aromatic, or anti- aromatic, and explain each answer briefly. 4. Design a multi-step synthesis for the following transformation. For EAS reactions, you may make a mixture of ortho and para products and then simply state "separate" to give you the desired isomer. CH3 CH3 OH CH3 toluene NO2 NO2
Please draw the major product or products of each of the following reactions. (4 points each) HBr/ UV light 5. Bry/UV light 6. CI
1. For the following compounds, label each substituent as electron donating or electron withdrawing, and indicate whether this effect is achieved via induction or resonance. ŅO2 H2N SO3H 2. Predict the TH NMR of the above benzene derivatives. For chemical shift, indicate whether the peak would likely be downfield or upfield of benzene (7.2 ppm). (Hint: think about the resonance structures that can be drawn based on your responses from above) A B # of peaks chemical shift indicate: >7.2,...
9. For the compound below answer a b and c. a) b) c) (3 pts) is the molecule below an aromatic or anti-aromatic estem? (4 pts) How many electrons are in the aromatic anti aromatic bratem? (4 pts). Draw an arrow () to the lone pair electron(s) that are part of the aromatic (or anti-aromatic) system. 10. (18 pts-6 pts each) Fill in the major organic product(s) for the reactions below Br+FeBr ci + CH CH CH .. 3+ AICI:...
1. 2 points) Consider the following compounds. Indicate with an arrow(s) the position(s) of the next electrophilic aromatic substitution NO2 (4 points) Draw all resonance structures of a σ-complex that was formed after attack of electrophile on 2. Aniline Acetophenone 3. 14 points) Provide stepwise mechanism for the following reactions. Make sure to show all resonance structures of a-complex AlCl AICI ar AIC Fuming H SO Ch. FeCl3
Please draw the major product or products of each of the following reactions. HBr/ UV light 5. Brz/ UV light 6. CI