η3-Allyl Coordination at Tin(II)-Reactivity towards Alkynes and Benzonitrile

We herein report the synthesis and characterization of a terphenyl-substituted Sn-II allyl compound featuring an eta(3) coordination mode in solution and in the solid state. Two examples for the interesting reactivity of the allyl SnII molecule are presented: Reactions with terminal alkynes result in the formation of tricyclic compounds by C-C bond formation and the dimerization of two Sn moieties whereas the reaction with benzonitrile leads to a sixteen-membered ring system through C-H activation.