Which would you expect to be most stable, cyclononatetraenyl radical, cation, or anion?
Answer to relevant QuestionsHow might you convert l, 3, 5, 7-cyclononatetraene to an aromatic substance?Bextra, a COX-2 inhibitor used in the treatment of arthritis, contains an isoxazole ring. Why is the ringaromatic?Propose structures for aromatic compounds that have the following 1H NMR spectra:(a) C8H9BrIR: 820 cm –1(b) C9H12BrIR: 750 cm –1(b) C11H16BrIR: 820 cm–1The benzyl ammonium ion (C6H5CH2NH3) has pKa 9.33, and the propyl ammonium ion has pKa = 10.71. Which is the stronger base, benzyl amine or propylamine? What are the pKb’S of benzyl amine and propylamine?What products would you expect from Hofmann elimination of the following amines? If more than one product is formed, indicate which ismajor.
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