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- Predict the major product of the following Diels-Alder reactions with the correct regiochemistry and stereochemistry. If an enantiomer is also made, indicate the enantiomer by adding “+ EN” beside the major product. Please explain step by step.Of the three 1,4-diphenyl-1,3-butadiene isomers (E,E or E,Z or Z,Z) indicate the most suitable diene that can be used as a reactant in a Diels-Alder reaction. Explain your choice.For the following dienes, identify whether the molecules has any cis or trans stereochemistry and idenfity the conformation as either s-cis or s-trans, where appropriate. Please also note whether the compound would be reactive in a Diels -Alder reaction
- Imagine that you used isoprene as diene – in that case you don’t have to worry about assigning endo vs exo. Draw the "endo" and "exo" products of the Diels-Alder reaction between isoprene and maleic anhydride, and explain why the distinction is irrelevant here.Predict products of each Diels-Alder reaction (including stereochemistry)This is a Diels-Alder reaction between ethylene and cis-1,3-butadiene. For each cycloaddition product, draw in all hydrogen atoms, and write the molecular formula below.
- Draw a structural formula for the product of this Diels-Alder reaction, including all stereoisomers of the productA Diels-Alder reaction that shows the stereospecificity of the reaction with respect to the dienophile onlyDraw the pi molecular orbital (MO) diagrams for cyclopentadiene and maleic anhydride, label whether the new bond formation in this Diels-Alder reaction will be suprafacial or antarafacial