Synthesis of benzopyran derivatives,XV Preparation of arylsulfonyloxy-2,2-dimethyl-2H-chromenes |
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| Authors: | Albert Lévai Gábor Tóth Áron Sz?ll?sy Tibor Timár |
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| Institution: | (1) Department of Organic Chemistry, Kossuth Lajos University, H-4010 Debrecen, Hungary;(2) Technical Analytical Research Group of the Hungarian Academy of Sciences and Institute for General and Analytical Chemistry, Technical University, H-1111 Budapest, Hungary;(3) Alkaloida Chemical Factory, H-4440 Tiszavasvári, Hungary |
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| Abstract: | Summary Arylsulfonyloxy-2,2-dimethyl-2H-chromenes (26–35) have been synthesized by reduction of arylsulfonyloxy-2,2-dimethyl-4-chromanones (6–15) followed by dehydration.
Synthese von Benzopyranderviaten. 15. Mitt.: Darstellung von Arylsulfonyloxy-2,2-dimethyl-2H-chromenen Zusammenfassung Reduktion von Arylsulfonyloxy-2,2-dimethyl-4-chromanonen (6–15) und anschließende Dehydratisierung liefert Arylsulfonyloxy-2,2-dimethyl-2H-chromene (26–35). |
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| Keywords: | 2 2-Dimethyl-4-chromanones Reduction with NaBH4 2 2-Dimethyl-4-hydroxychromans Dehydration Conformational analysis |
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