Abstract
AbstractThe use of electron‐deficient dienes as substrates in the aza Diels‐Alder reaction (ADA) has been studied scarcely. However, the ADA process offers a wide range of applications in organic synthesis. In this communication, the reaction between different brominated conjugated dienes and 4‐phenyl‐1,2,4‐triazoline‐3,5‐dione (PTAD), one of the most vigorous dienophiles, is reported. We have synthesized tricyclic compounds from acyclic substrates in only two steps, considering variables such as ring size and steric hindrance and substantially improved the results obtained with other dienophiles.
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