Syntheses and solid state structures of cyclic diynes with two chalcogen centres ? a competition between weak interactions
作者:J. Hilko Schulte、Daniel B. Werz、Frank Rominger、Rolf Gleiter
DOI:10.1039/b303653g
日期:——
Structural investigations by means of X-ray diffraction reveal for most systems a chair-like conformation in the solidstate. For 5S(2)2, 5S(2)3, 7S(2)5, 5Se(2)2 and 5Te(2)3 tubular structures were encountered. These structures can be traced back to weak XX or weak C-Hpi interactions.