An Unknown Compound Gives the Following Spectral Data

question 20

Essay

An unknown compound gives the following spectral data. Propose a structure that is consistent with this information. In addition, show the fragmentations that give the 91 and 122 peaks in the MS.
MS (m/z): 91, 108 and 122 (M⁺)
¹H NMR (δ): 7.05(2H, d), 6.78 (2H, d), 3.7 (3H, s), 2.26 (3H, s)

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Definitions:

Psychologists

Psychologists are professionals who study mental processes and behavior through research and observation to provide assessments, diagnosis, and treatment.

Behavior

The actions or reactions of an organism, typically in response to its environment.

Cognitive Dissonance

The mental discomfort experienced by a person holding two or more contradictory beliefs, values, or ideas.

Dissonance

A psychological or emotional state of tension resulting from conflicting attitudes, beliefs, or behaviors.