Carboxonium-ionen-reaktionen V. synthese von 1,3-oxathiolen und deren fragmentierung zu β-thia-γ,δ-enonen |
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| Authors: | Jochen Mattay Hans-Dieter Scharf |
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| Institution: | Institut für Organische Chemie der RWTH Aachen, prof.-Pirlet-Straβe 1, D-5100 Aachen, West-Germany |
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| Abstract: | 1,3-Oxathioles 5 are formed in high yields upon treatment of 5-chloromethyl-1,3-oxathiolanes 3 with potassium t-butoxide in dimethyl sulfoxide at room temperature. The protoncatalyzed fragmentation of 5 leads in good yields to the new β-thia-γ,δ-enones 6. |
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