title: The first example of a sigma(2)lambda(2)-dioxaphosphenium cation, stabilized by an intramolecular dative P(+) <-- S bond.
abstract: [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.
authors.affiliation: A. E. Arbuzov Institute of Organic and Physical Chemistry, Russian Academy of Sciences, Arbuzov st. 8, 420088 Kazan, Russia.
authors.forename: S E
authors.initials: SE
authors.lastname: Solovieva
authors.forename: M
authors.initials: M
authors.lastname: Gruner
authors.forename: I S
authors.initials: IS
authors.lastname: Antipin
authors.forename: W D
authors.initials: WD
authors.lastname: Habicher
authors.forename: A I
authors.initials: AI
authors.lastname: Konovalov