The 1,3-dipolar cycloaddition product formed is to be determined. Concept introduction: 1,3-dipoles are represented by a Lewis structure such that four electrons are delocalized over three atoms. One of them is positively charged while the other is negatively charged. This dipole acts as a 4π electron component and can add to a 2π electron component via the [4+2]-cycloaddition . The resultant structure contains a new five membered ring consisting of the 1,3-dipole attached to the two atoms of the alkene. The double bond between the carbon atoms of the alkene changes to a single bond.

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Chapter 11, Problem 55DSP

Interpretation Introduction

Interpretation:

The 1,3-dipolar

cycloaddition product formed is to be determined.

Concept introduction:

1,3-dipoles

are represented by a Lewis structure such that four electrons are delocalized over three atoms.

One of them is positively charged while the other is negatively charged.

This dipole acts as a 4π electron component and can add to a 2π

electron component via the [4+2]-cycloaddition.

The resultant structure contains a new five membered ring consisting of the 1,3-dipole

attached to the two atoms of the alkene.

The double bond between the carbon atoms of the alkene changes to a single bond.

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