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■ Synthesis of a New Macrocycle Containing Tin and Selenim, 1,9-Diselena-5,5,13,13-tetramethyl-5.13-distannacyclohexadecane, and Related Compounds

Hisashi Fujihara, Yutaka Takaguchi, and Naomichi Furukawa*

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan

Abstract

New cyclic compounds containing heavier group 14 and 16 elements, 1-selena- or 1-thia-5,5-dimethyl-5-stannacyclooctane (1 or 3) and 1,9-diselena- or 1,9-dithia-5,5,13,13-tetramethyl-5,13-distannacyclohexadecane (2 or 4), and its selenonium derivatives have been synthesized.