para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids

Becker, Christian; Trapp, Pia; Neumann, Beate; Stammler, Hans-Georg; Mitzel, Norbert W.

para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids

Becker C, Trapp P, Neumann B, Stammler H-G, Mitzel NW (2022)
Dalton transactions .

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DOI

https://doi.org/10.1039/d2dt00586g

Autor*in

Becker, Christian^UniBi; Trapp, Pia^UniBi; Neumann, Beate^UniBi; Stammler, Hans-Georg^UniBi; Mitzel, Norbert W.^UniBi

Einrichtung

Fakultät für Chemie > Anorganische Chemie und Strukturchemie

Abstract / Bemerkung

Mono- and bidentate tri-coordinated boron compounds bearing the yet unexplored para-chlorotetrafluorophenyl substituent have been synthesized and structurally investigated. The acidity of tris(para-chlorotetraphenyl)borane (7) was shown to exceed that of the widely used tris(pentafluorophenyl)borane (BCF) according to the Gutmann-Beckett method. Acid-base adducts of 7 with diethyl ether and triethylphosphine oxide were crystallized. Dihydrogen splitting at room temperature was observed with a Frustrated Lewis Pair consisting of 7 and 2,2,6,6-tetramethylpiperidine (TMP). The hydrogen adduct was isolated and characterized by NMR, SC-XRD and elemental analysis. Its solid-state structure contains a H⋯H distance on the verge of dihydrogen bonding (2.28(6) A). Bis(para-chlorotetrafluorophenyl)hydridoborane was prepared in situ and shown to be applicable in hydroboration reactions similarly to Piers' borane.

Erscheinungsjahr

2022

Zeitschriftentitel

Dalton transactions

eISSN

1477-9234

Page URI

https://pub.uni-bielefeld.de/record/2962506

Zitieren

Becker C, Trapp P, Neumann B, Stammler H-G, Mitzel NW. para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids. Dalton transactions . 2022.

Becker, C., Trapp, P., Neumann, B., Stammler, H. - G., & Mitzel, N. W. (2022). para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids. Dalton transactions . https://doi.org/10.1039/d2dt00586g

Becker, Christian, Trapp, Pia, Neumann, Beate, Stammler, Hans-Georg, and Mitzel, Norbert W. 2022. “para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids”. Dalton transactions .

Becker, C., Trapp, P., Neumann, B., Stammler, H. - G., and Mitzel, N. W. (2022). para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids. Dalton transactions .

Becker, C., et al., 2022. para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids. Dalton transactions .

C. Becker, et al., “para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids”, Dalton transactions , 2022.

Becker, C., Trapp, P., Neumann, B., Stammler, H.-G., Mitzel, N.W.: para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids. Dalton transactions . (2022).

Becker, Christian, Trapp, Pia, Neumann, Beate, Stammler, Hans-Georg, and Mitzel, Norbert W. “para-Chlorotetrafluorophenyl-boranes - syntheses and structures of a series of mono- and bidentate Lewis acids”. Dalton transactions (2022).

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