Orgo Diels-Alder

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. Diene + Dienophile N(CH₂CH3)2 CO₂C₂H5 • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. ●

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. Diene + Dienophile → • Consider E/Z stereochemistry of alkenes. CH3 CO₂CH3 H3C • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu.

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. lo Diene + Dienophile CAM • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu. Ⓡ Mill ChemDoodleⓇ Y -CI Sn [F CN < 46

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. Diene + Dienophile CH3 CH3 • Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu. ? [ ChemDoodle

Exp3: Diels-Alder reaction   Why does cyclopentadiene regularly form a dimer? How to break the dimer into monomers? Does the diene in this reaction act as the nucleophile or the electrophile? Is the maleic anhydride a nucleophile or an electrophile in this reaction? Explain your reasoning.

3.

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. CH3O ● Diene + Dienophile -> Consider E/Z stereochemistry of alkenes. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. ● H

The diene shown below will NOT react in a Diels-Alder reaction. Why not? Select one: DA. The compound is not a conjugated diene. OB. This compound cannot adopt the s-cis conformation. C. The compound is lacking in electron donating groups. ⒸD. The compound is lacking in electron withdrawing groups.

Draw structural formulas for the diene and dienophile that combine in a Diels-Alder reaction to form the product shown. • • • Diene + Dienophile H Consider E/Z stereochemistry of alkenes. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. ChemDoodle ?

8.

Just number 2 please

Draw a structural formula for the product of this Diels-Alder reaction, including all stereoisomers of the product. COOEt `CHO COOEt • Use the wedge/hash bond tools to indicate stereochemistry where it exists. Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu.

D. Provide a reasonable mechanism for the Diels-Alder reaction between two molecules of cyclopenta-1,3-diene. Br 1. Mg 2.CO₂ 3. H₂O* OH

Complete the following Diels-Alder reaction by drawing a structure for the product formed.   Consider the resonance in the diene and dienophile and draw partial charges at correct positions.  That will help you in drawing the correct product.

Draw a structural formula for the product of this Diels-Alder reaction, including all stereoisomers of the product. COOEt CHO . Use the wedge/hash bond tools to indicate stereochemistry where it exists. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu. COOEt с opy OO. IF