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

Marquardt, Christian and Kahoun, Tobias and Baumann, Josef and Timoshkin, Alexey Y. and Scheer, Manfred (2017) Coordination of Boron-centered Lewis Acids by organo-substituted Phosphanylboranes. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 643 (21). pp. 1326-1330. ISSN 0044-2313, 1521-3749

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Abstract

The reactions of the monomeric phosphanylboranes Ph2P-BH2 center dot NMe3 (1a) and tBuHP-BH2 center dot NMe3 (1b) with the main group Lewis acids BH3 and BBr3 yield the adducts H3B center dot Ph2PBH2 center dot NMe3 (2a) and H3B center dot tBuHP-BH2 center dot NMe3 (2b), Br3B center dot Ph2PBH2 center dot NMe3 (3a), and Br3B center dot tBuHP-BH2 center dot 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.

Item Type: Article
Uncontrolled Keywords: PHOSPHINE-BORANE ADDUCTS; CONVENIENT ROUTE; PHOSPHORUS; BONDS; PHOSPHINOBORANES; POLYMERS; EXCHANGE; ELEMENTS; DENSITY; CHAINS; Phosphanylboranes; Phosphorus; Boron; Lewis acids; Adduct
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 14 Dec 2018 13:19
Last Modified: 11 Feb 2019 14:59
URI: https://pred.uni-regensburg.de/id/eprint/1837

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