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Paper | Special issue | Vol 76, No. 1, 2008, pp.515-520
Published online, 8th April, 2008
DOI: 10.3987/COM-08-S(N)38
Dechalcogenation of Pentachalcogenadistannabicyclo[3.1.1]heptanes

Masaichi Saito,* Hizuru Hashimoto, and Tomoyuki Tajima

*Department of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama, 338-8570 Japan

Abstract

Pentathia- and pentaselena-distannabicyclo[3.1.1]heptanes reacted with tributylphosphine to afford tetrathia- and tetraselena- distannabicyclo[2.1.1]hexanes, respectively. The novel heterocyclic framework of a tetrathiadistannabicyclo[2.1.1]hexane was demonstrated by X-ray structural analysis. Structures of a series of pentachalcogena and tetrachalcogena derivatives are discussed.