Chapter 20, Problem 20.82AP

(a)

Interpretation Introduction

Interpretation: The questions based on the curcumin compound which is given in figure are to be answered.

Concept introduction: Turmeric is an Indian spice which is very frequently used all over the India. The compound curcumin is a medicinal compound which is extracted from turmeric. It has anticancerous properties. It is also used in the treatment of cystic fibrosis.

Isomers are the chemical compounds which have the identical chemical formula but different structures. Stereoisomers are the isomers which differ only in the three-dimensional arrangement of the same molecule.

To determine: If the substituents on the $\text{C}=\text{C}$ double bonds highlighted in red are in cis or trans configuration.

(b)

Interpretation Introduction

To determine: The structure of the two stereoisomers of this compound.