| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5212982 | Tetrahedron | 2016 | 7 Pages |
Abstract
Palladium and boric acid-catalyzed cyclization of underivatized 1,3-diaryl propargylic alcohols with 1,3-cyclohexanediones has been developed. Boric acid plays a role for the efficient activation of the propargylic alcohols. Various substituted tetrahydrobenzofuranones were obtained in moderate to good yields. Reactions using 4-hydroxy-2-pyrones as the nucleophile also proceeded to afford the substituted dihydrofuropyranones.
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Physical Sciences and Engineering
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