Synthesis of Tetraphenylstannacyclopentadienes (Stannoles). 1. Alkylation of 1,1-Dihalostannoles Leading to Lithium 1,1-Bis(η1-cyclopentadienyl)-1-halo-2,3,4,5-tetraphenylstannole, an - Anion with Pseudorotating Axial- and Equ

Article abstract of DOI:10.1021/ja00404a024

1,1-Dibromo- and 1,1-diiodo-2,3,4,5-tetraphenylstannacyclopentadienes (dibromo- and diiodostannoles) formed from controlled phenyltin cleavage of hexaphenylstannole by elemental bromine and iodine, respectively, undergo conventional alkylation by methylli