Zeitschrift für Anorganische und Allgemeine Chemie
Zeitschrift für Anorganische und Allgemeine Chemie
3 years ago

Coordination of Boron-centered Lewis Acids by organo-substituted Phosphanylboranes

Coordination of Boron-centered Lewis Acids by organo-substituted Phosphanylboranes
Josef Baumann, Tobias Kahoun, Christian Marquardt, Manfred Scheer, Alexey Y. Timoshkin
The reactions of the monomeric phosphanylboranes Ph2P–BH2·NMe3 (1a) and tBuHP–BH2·NMe3 (1b) with the main group Lewis acids BH3 and BBr3 yield the adducts H3B·Ph2P–BH2·NMe3 (2a) and H3B·tBuHP–BH2·NMe3 (2b), Br3B·Ph2P–BH2·NMe3 (3a), and Br3B·tBuHP–BH2·NMe3 (3b). All these compounds were completely characterized by single-crystal X-ray structure analysis, NMR and IR spectroscopy as well as mass spectrometry and DFT computations. The secondary and tertiary phosphines 1a and 1b behave as classical Lewis bases to coordinate BX3 (X = H, Br) as terminal groups.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/zaac.201700219

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