Question: A compound is a cyclic ether of molecular formula C9H10O. Its 13C NMR spectrum is shown in Figure 16.11. Oxidation of the compound with sodium

A compound is a cyclic ether of molecular formula C9H10O. Its 13C NMR spectrum is shown in Figure 16.11. Oxidation of the compound with sodium dichromate and sulfuric acid gave 1, 2- benzenedicarboxylic acid. What is the compound?

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