Isolation of a Lewis acid-base stabilized stannanone.

ABSTRACT: A diylide-substituted stannanone, stabilized by the Lewis acid SnCl₂ (formally written as Y₂Sn[double bond, length as m-dash]O → SnCl₂) has been successfully isolated and characterized by spectroscopic, crystallographic and computational methods. The nature of the ylide substituent proved critical for its successful isolation. While oxidation of a stannylene with a cyano-substituted ylide yielded only a dimeric stannoxane, incorporation of a thiophosphinoyl moiety provided sufficient steric bulk and additional stabilization through P[double bond, length as m-dash]S coordination, enabling the isolation of the monomeric stannanone. Computational studies revealed a strongly polarized Sn-O bond with negligible π-contribution to the bonding interaction and high

SUBMITTER: Jorges M 

PROVIDER: S-EPMC12519236 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature