A library of pyranocoumarin derivatives
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Giancarlo Cravotto; Gian Mario Nano; Silvia Tagliapietra; Giovanni Palmisano; Tu
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Article
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2001
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Journal of Heterocyclic Chemistry
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English
⚖ 81 KB
## Abstract A hetero Diels‐Alder reaction with inverse electron demand between 4‐hydroxycoumarin, aromatic aldehydes and electron‐rich alkenes yielded a multitude of 2,4‐disubstituted 3,4‐dihydropyranocoumarins. This route opened an easy access to coumarin anticoagulants and provided a library of p