Conjugate Addition of Grignard Reagents to Thiochromones Catalyzed by Copper Salts: A Unified Approach to Both 2-Alkylthiochroman-4-One and Thioflavanone

Conjugate Addition of Grignard Reagents to Thiochromones Catalyzed by Copper Salts: A Unified Approach to Both 2-Alkylthiochroman-4-One and Thioflavanone

Grignard reagents undergo conjugate addition to thiochromones catalyzed by copper salts to afford 2-substituted-thiochroman-4-ones, both 2-alkylthiochroman-4-ones and thioflavanones (2-arylthiochroman-4-ones), in good yields with trimethylsilyl chloride (TMSCl) as an additive. The best yields of 1,4...

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Bibliographic Details
Main Authors: Tania J. Bellinger, Teavian Harvin, Ti’Bran Pickens-Flynn, Nataleigh Austin, Samuel H. Whitaker, Mai Ling C. Tang Yuk Tutein, Dabria T. Hukins, Nichele Deese, Fenghai Guo
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Molecules
Subjects:
conjugate addition
thiochroman-4-ones
Grignard reagents
thiochromones
thioflavanones
2-alkylthiochroman-4-ones
Online Access:https://www.mdpi.com/1420-3049/25/9/2128

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