The first example of a sigma(2)lambda(2)-dioxaphosphenium cation, stabilized by an intramolecular dative P(+) <-- S bond.
[structure in text] The first example of a sigma(2)lambda(2)-dioxaphosphenium cation 5 bearing dioxathiophosphocin ring systems stabilized by an intramolecular dative P(+) <-- S bond and its reactivity with pyridine and cycloaddition reaction with 2,3-dimethylbutadiene are reported.
Solovieva
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A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Arbuzov st. 8, 420088 Kazan, Russia.
Gruner
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Antipin
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Habicher
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WD
Konovalov
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