Easily Separable Cyclic Oligosilanes with p ‐Methoxyphenyl Groups and Their Stereoselective Functionalization

Novel cyclic oligosilanes with trimethylsilylmethyl and aryl groups at each silicon ring atom were synthesized. The reductive condensation of a dichlorosilane having a phenyl group as an aryl group gave five‐ and six‐membered cyclic oligosilanes as mixtures of their stereoisomers. On the other hand, the use of p ‐methoxyphenyl group instead of phenyl group resulted in the formation of four‐ and five‐membered cyclic oligosilanes, from which each...