Answered: Show the structure of the product from…

Show the structure of the product from the Diels-Alder reaction between 2 moles of isoprene (2-methyl-1,3-butadiene) and one mole of quinone.

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter14: Conjugated Compounds And Ultraviolet Spectroscopy

Section14.SE: Something Extra

Problem 34AP

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Concept explainers

UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.

Question

Show the structure of the product from the Diels-Alder reaction between 2 moles of isoprene (2-methyl-1,3-butadiene) and one mole of quinone.

Expert Solution

Step 1

Diels-Alder reaction in organic chemistry is a reaction between a conjugated diene and a dinophile (an substituted alkene) to give a cyclohexene derivative product. It is a concerted reaction.

In the given reaction, quinone will be treated as dienophile and isoprene (2-methyl-1,3-butadiene) as conjugated diene.

Structure of quinone and isoprene (2-methyl-1,3-butadiene) is as follows:

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