Enhancement of London Dispersion in Frustrated Lewis Pairs: Towards a Crystalline Encounter Complex

The encounter complex, i.e. the pre-organized assembly consisting of a Lewis acid and a Lewis base, is a fundamental concept in frustrated Lewis pair (FLP) chemistry. However, this donor-acceptor complex is challenging to study due to its transient nature. Here, we present a combined theoretical and experimental investigation on the potential isolation of an encounter complex enabled by enhancement of London dispersion forces between a sterically encumbered Lewis acid and base pair. Guided by computational analyses, the FLP originating from the bulky triarylamine N (3,5-tBu2C6H3) 3 and the novel triarylborane B (3,5-tBu2C6H3) 3 was investigated, leading to the isolation of a 1:1 co-crystal of both FLP components.

Object Details

• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch

References and Relationships

• Bibliographic citation: Enhancement of London Dispersion in Frustrated Lewis Pairs: Towards a Crystalline Encounter Complex ; day:22 ; month:08 ; year:2022 ; Synlett ; (22.08.2022)

Contributors, Places and Time

• Contributor: Holtrop, Flip ; Helling, Christoph ; Lutz, Martin ; Van Leest, Klaas ; Bruin, Bas de ; Slootweg, Chris

Further information

• DOI: 10.1055/a-1928-4902
• URN: urn:nbn:de:101:1-2022101021375615766046
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Last update: 15.08.2025, 7:31 AM CEST