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Issue 45, 2020

Bis(pentafluorophenyl)phenothiazylborane – an intramolecular frustrated Lewis pair catalyst for stannane dehydrocoupling

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Abstract

We synthesized a novel Lewis acidic aminoborane containing a phenothiazyl substituent and demonstrated its potential to catalytically promote the dehydrocoupling of tin hydrides. The observed reactivity would imply a homolytic frustrated Lewis pair type mechanism, however computational analysis suggests a heterolytic mechanism for this reaction. This result represents one of the first frustrated Lewis pair systems to dehydrocouple stannanes in a heterolytic fashion.

Graphical abstract: Bis(pentafluorophenyl)phenothiazylborane – an intramolecular frustrated Lewis pair catalyst for stannane dehydrocoupling

Supplementary files

Article information


Submitted
11 Feb 2020
Accepted
27 Feb 2020
First published
05 Mar 2020

Dalton Trans., 2020,49, 16054-16058
Article type
Communication

Bis(pentafluorophenyl)phenothiazylborane – an intramolecular frustrated Lewis pair catalyst for stannane dehydrocoupling

J. N. Bentley, E. Pradhan, T. Zeng and C. B. Caputo, Dalton Trans., 2020, 49, 16054 DOI: 10.1039/D0DT00506A

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