Organoelement Compounds
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ChemInform Abstract: Cyclic Bis(amino)organotin Cations, Stabilized by π-Coordination and New Spirocyclic Stannole Derivatives.
First published: June 21, 1994
Abstract
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ChemInform Abstract
The organoboration of (I) first gives a zwitterionic intermediate (III) , in which the diamino(organo)tin cation is stabilized by π- coordination. (III) is the first intermediate, which is formed at temp. more than -20 °C and slowly rearranges via intramolecular 1,1- vinyloboration into the stannol derivative.
