Unknown

Dataset Information

0

Synthesis of a Counteranion-Stabilized Bis(silylium) Ion.


ABSTRACT: The preparation of a molecule with two alkyl-tethered silylium-ion sites from the corresponding bis(hydrosilanes) by two-fold hydride abstraction is reported. The length of the conformationally flexible alkyl bridge is crucial as otherwise the hydride abstraction stops at the stage of a cyclic bissilylated hydronium ion. With an ethylene tether, the open form of the hydronium-ion intermediate is energetically accessible and engages in another hydride abstraction. The resulting bis(silylium) ion has been NMR spectroscopically and structurally characterized. Related systems based on rigid naphthalen-n,m-diyl platforms can only be converted into the dications when the positively charged silylium-ion units are remote from each other (1,8 versus 1,5 and 2,6).

SUBMITTER: Wu Q 

PROVIDER: S-EPMC7317492 | BioStudies | 2020-01-01

REPOSITORIES: biostudies

Similar Datasets

2018-01-01 | S-EPMC6048699 | BioStudies
1000-01-01 | S-EPMC6273809 | BioStudies
2019-01-01 | S-EPMC6900109 | BioStudies
2019-01-01 | S-EPMC6419934 | BioStudies
2021-01-01 | S-EPMC7898686 | BioStudies
2020-01-01 | S-EPMC6972613 | BioStudies
1000-01-01 | S-EPMC6273890 | BioStudies
1000-01-01 | S-EPMC5656908 | BioStudies
1000-01-01 | S-EPMC5308285 | BioStudies
2013-01-01 | S-EPMC3855459 | BioStudies