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Communication | Special issue | Vol 62, No. 1, 2004, pp.229-234
Published online, 17th November, 2003
DOI: 10.3987/COM-03-S(P)75
Preferential Conformation of the Six-membered Cyclic Compounds Bearing Both Trimethylsiloxy(or Methoxymethyleneoxy) and Tributylstannyl Groups at the Geminal Position

Michimasa Goto, Yukihiro Kotani, Kiyoshi Kida, Shuji Tomoda, and Yoshimitsu Nagao*

*Faculty of Pharmaceutical Sciences, University of Tokushima, Sho-machi, Tokushima 770-8505, Japan

Abstract

The preferential conformer and conformer ratio in the cyclohexane, oxane, and thiane derivatives bearing both trimethylsiloxy (or methoxymethyleneoxy) and tributylstannyl groups at the geminal position were determined on the basis of their 3J(119Sn-13C) coupling constants and 13C NMR spectral analyses at low temperature.