Synthesis 2008(23): 3857-3863  
DOI: 10.1055/s-0028-1083228
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Novel Synthesis of Oxathiocine Derivatives by Wittig Olefination and Intramolecular Heck Reaction via an 8-endo-trig Cyclization

Krishna C. Majumdar*, Buddhadeb Chattopadhyay, Biswajit Sinha
Department of Chemistry, University of Kalyani, Kalyani 741 235, India
e-Mail: kcm_ku@yahoo.co.in;
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Publikationsverlauf

Received 30 July 2008
Publikationsdatum:
14. November 2008 (online)

Abstract

Syntheses of hitherto unreported heterocycles, such as oxathiocine derivatives, in excellent yields, and a doubly cyclized oxathiocine derivative, through a Wittig olefination and intramolecular Heck reaction sequence via an unusual 8-endo-trig cyclization, are reported.