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Synlett 1996; 1996(4): 396-398
DOI: 10.1055/s-1996-5408
DOI: 10.1055/s-1996-5408
letter
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Diastereoselective Synthesis of cis- and trans- Annulated Hexahydrothioxanthenes: The First Stereochemical Study on the Intramolecular Polar Cycloaddition of Cationic 2-Thiabutadienes
Further Information
Publication History
Publication Date:
31 December 2000 (online)
Reaction of thiophenol with ω-unsaturated aldehydes or the Pummerer reaction of sulfoxides generate cationic 2-thiabutadienes that intramolecularly cyclize to yield cis- and trans-annulated hexahydrothioxanthenes diastereoselectively.
2-Thiabutadiene - Pummerer Reaction - [4π++2π]-Cycloaddition - Thioxanthene - Domino Reaction