The diene lactone shown in part (a) has one electron-donating group ( OR) and one
Chapter 0, Problem 15-29(choose chapter or problem)
The diene lactone shown in part (a) has one electron-donating group ( OR) and one electron-withdrawing group (C O). This diene lactone is sufficiently electron-rich to serve as the diene in a DielsAlder reaction. (a) What product would you expect to form when this diene reacts with methyl acetylenecarboxylate, a strong dienophile?
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