Cleavage of the Sn-Sn multiple bond in a distannyne by cyclooctatetraene: formation of the pi-bound inverse sandwich complex [(Ar'Sn)2(mu2-eta2:eta3-cot)].

Cleavage of the Sn-Sn multiple bond in a distannyne by cyclooctatetraene: formation of the pi-bound inverse sandwich complex [(Ar'Sn)2(mu2-eta2:eta3-cot)].