Question

Systematically analyze the Spectra 1-6 and match them with the structures of compounds indicated below. Label the diagnostic absorptions on the spectra and then complete the table below each spectrum Note: The number of structures provided below is more than the number of spectra provided The structures indicated below are constitutional isomers of C,H602. но но

Answer 1

First Compound lactone (cyclic ester)

First Compound lactone (cyclic ester) 2991 cm^- 1 - C-H stretch 1770 cm^-1 rightarrow C = 0 stretch 1168 cm^1 - C - 0 stretch Functional Group: cyclic Ester