b. Consider the following five-membered heterocycles: i. ii. iii. iv. V. vi. vii. B C Which of them is the most reactive in electrophilic substitution? Explain Which of them is the least reactive in electrophilic substitution? Explain Which heterocycle; B or C, contains the most acidic N-H proton? Explain. Predict the site of electrophilic substitution in heterocycle B. Explain Which is the most aromatic? Explain Which of them is capable of hydrogen-bonding? No explanation required Which of them contains the most acidic C-H? Explain. E

b. Consider the following five-membered heterocycles: i. ii. iii. iv. V. vi. vii. B C Which of them is the most reactive in electrophilic substitution? Explain Which of them is the least reactive in electrophilic substitution? Explain Which heterocycle; B or C, contains the most acidic N-H proton? Explain. Predict the site of electrophilic substitution in heterocycle B. Explain Which is the most aromatic? Explain Which of them is capable of hydrogen-bonding? No explanation required Which of them contains the most acidic C-H? Explain. E

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter15: Benzene And Aromaticity

Section15.SE: Something Extra

Problem 37AP

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