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Copper-Catalyzed Domino Synthesis of 2-Arylthiochromanones through Concomitant C-S Bond Formations Using Xanthate as Sulfur Source

Subramani Sangeetha, Pandi Muthupandi and Govindasamy Sekar*

*Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India, Email: gsekariitm.ac.in

S. Sangeetha, P. Muthupandi, G. Sekar, Org. Lett., 2015, 17, 6006-6009.

DOI: 10.1021/acs.orglett.5b02977


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Abstract

In an efficient copper-catalyzed, ligand-free domino process, various thioflavanones have been synthesized from easily accessible 2′-iodochalcones or 2′-bromochalcones in excellent yield through in situ incorporation of sulfur using xanthate as an odorless sulfur source.


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Visible Light Mediated Photocatalyst Free C-S Cross Coupling: Domino Synthesis of Thiochromane Derivatives via Photoinduced Electron Transfer

N. Sundaravelu, A. Nandy, G. Sekar, Org. Lett., 2021, 23, 3115-3119.


Key Words

Thioflavanones


ID: J54-Y2015