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Synthesis 1996; 1996(3): 327-329
DOI: 10.1055/s-1996-4211
short paper
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Synthetic Equivalents for Benzo- and Naphthothietes

Herbert Meier* , Axel Mayer
  • *Institut für Organische Chemie der Universität, J.-J. Becherweg 18-22, D-55099 Mainz, Germany, Fax +49(6131)395396
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Publication Date:
31 December 2000 (online)

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Benzo-condensed 1,3-oxathiin-2-ones 4, 8, 11, 14 were prepared according to the reaction sequences shown in the Schemes 1 and 3. Due to the facile thermal extrusion of CO2 these compounds proved to be very useful synthetic thiete equivalents for the preparation of heterocyclic ring systems containing sulfur. Some examples of hetero Diels-Alder reactions are compiled in the Schemes 2 and 4.

Benzo-condensed 1,3-oxathiin-2-ones provide useful synthetic equivalents for the corresponding thietes