The Use of a Flexible Calix[4]arene Template to Stabilize a Cyclooctatetraindiyl Samarium-Potassium Complex

Abstract EN

A sandwich compound of cyclooctatetraendiyl (COT)2− samarium-potassium was synthesized and analyzed using a flexible calix[4]arene dianion.

This compound, [p-tBu-calix[4]-(OMe)2(O)2]arenediyl-samarium-(η8-cyclooctatetraendiyl)-potassium μ(tetrahydrofurane)3, is constructed as a linear sequence L-Sm-L′-K-L′′, where L, L′, and L′′ are specific ligands with L = O,O-dimethyl-calix[4]arene2−, L′ = cyclo-octatetraendiyl, and L′′ = tetrahydrofurane templates.