a) Interpretation: The skeletal structure of the compound given in the model is to be drawn and the stereochemistry of the double bond to be assigned as E or Z. Concept introduction: The isomer that has the higher ranked groups on each carbon on the same side of the double bond is said to have Z configuration. If the higher ranked groups are on the opposite sides, the alkene is said to have E configuration. In skeletal structures the carbon and hydrogen atoms are not usually shown. Instead carbon atoms are assumed to be at each intersection of two lines and at the end of each line. Hydrogen atoms required are fitted mentally having in mind the valence of carbon is four. Atoms other than carbon and hydrogen are shown. To draw: The skeletal structure of the compound given in the model and to assign the stereochemistry of the double bond as E or Z.

Question

Add substituents to draw the conformer below (sighting down the indicated bond), then rotate the back carbon to provide the anti staggered conformer. + H3C H Ph H Problem 25 of 30 Drawing Atoms, Bonds and Rings Charges Tap a node to see suggestions H H H Undo Rasat Remove Done Finish update Rotate Submit

Answer 1

Question

Chapter 7.SE, Problem 23VC

Interpretation Introduction

a)

Interpretation:

The skeletal structure of the compound given in the model is to be drawn and the stereochemistry of the double bond to be assigned as E or Z.

Concept introduction:

The isomer that has the higher ranked groups on each carbon on the same side of the double bond is said to have Z configuration. If the higher ranked groups are on the opposite sides, the alkene is said to have E configuration.

In skeletal structures the carbon and hydrogen atoms are not usually shown. Instead carbon atoms are assumed to be at each intersection of two lines and at the end of each line. Hydrogen atoms required are fitted mentally having in mind the valence of carbon is four. Atoms other than carbon and hydrogen are shown.

To draw:

The skeletal structure of the compound given in the model and to assign the stereochemistry of the double bond as E or Z.

Interpretation Introduction

b)

Interpretation:

The skeletal structure of the compound given in the model is to be drawn and the stereochemistry of the double bond to be assigned as E or Z.

Concept introduction:

The isomer that has the higher ranked groups on each carbon on the same side of the double bond is said to have Z configuration. If the higher ranked groups are on the opposite sides, the alkene is said to have E configuration.

In skeletal structures the carbon and hydrogen atoms are not usually shown. Instead carbon atoms are assumed to be at each intersection of two lines and at the end of each line. Hydrogen atoms required are fitted mentally having in mind the valence of carbon is four. Atoms other than carbon and hydrogen are shown.

To draw:

The skeletal structure of the compound given in the model and to assign the stereochemistry of the double bond as E or Z.

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Add substituents to draw the conformer below (sighting down the indicated bond), then rotate the back carbon to provide the anti staggered conformer. + H3C H Ph H Problem 25 of 30 Drawing Atoms, Bonds and Rings Charges Tap a node to see suggestions H H H Undo Rasat Remove Done Finish update Rotate Submit

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