Chapter 14, Problem 14.62P

Propose a structure consistent with each set of data.

a. ${\text{C}}_{\text{9}}{\text{H}}_{\text{10}}{\text{O}}_{\text{2}}$: IR absorption at $1718{\text{cm}}^{\text{-1}}$ b. ${\text{C}}_{\text{9}}{\text{H}}_{\text{12}}$: IR absorption at $2850-3150{\text{cm}}^{\text{-1}}$