The Following Reaction Involves a Sigmatropic Shift and Another Transformation

question 2

Essay

The following reaction involves a sigmatropic shift and another transformation you already know.
Provide arrow formalism for the sigmatropic shift and determine the nature of both steps.

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Definitions:

C=O Stretch

A vibrational mode in infrared spectroscopy, indicating the presence of a carbonyl group (\(C=O\)) in the molecule, characterized by a strong, distinctive absorption band.

Aldehydes

Organic compounds characterized by the carbonyl group bonded to at least one hydrogen atom.

IR Absorption

The process where molecules absorb specific frequencies of infrared light, causing molecular vibrations that are characteristic of functional groups within the molecule.

Broad Absorption

A phenomenon where a material or molecule absorbs a wide range of wavelengths or frequencies.