1,2,3,4

1. What diene and dienophile were used to create the following compounds? 2. Explain why one product is favored over the other in this reaction. Hint polarity. heat 3. In a Diels-Alder reaction, rank the following dienophiles from least reactive to most reactive (1 = least reactive). 4. Benzyne, which you will learn about in a future chapter, can undergo Diels-Alder reactions. Propose a mechanism for this reaction and draw the product. benzyne