Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles.

Weber L, Eickhoff D, Chrostowska A, Dargelos A, Darrigan C, Stammler H-G, Neumann B (2019)
Dalton transactions (Cambridge, England : 2003) 45: 16911-16921.

Zeitschriftenaufsatz | Veröffentlicht| Englisch
 
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Autor*in
Weber, LotharUniBi; Eickhoff, DanielUniBi; Chrostowska, Anna; Dargelos, Alain; Darrigan, Clovis; Stammler, Hans-GeorgUniBi; Neumann, BeateUniBi
Abstract / Bemerkung
Colorless crystalline 2,6-dibromo-4,8-dimethyl-1,3,5,7-tetraphenylbenzobis(diazaborole) 4 resulted from the cyclocondensation of 3,6-dimethyl-1,2,4,5-tetraphenylaminobenzene 3d with two equivalents of boron tribromide in the presence of calcium hydride. Synthesis of the dark-red crystalline 2-bromo-N,N'-bis(diisopropylphenyl)acenaphtho-1,3,2-diazaborole 7 was effected by the cyclocondensation of 1,2-bis(N-2',6'-diisopropylphenylimino)acenaphthene (5) and boron tribromide with subsequent sodium amalgam reduction of the initially formed burgundy red diazaborolium salt 6. Compounds 4, 6 and 7 are characterised by elemental analyses, 1H, 11B and 13C NMR spectroscopy, as well as by single X-ray diffraction studies. The electronic structures of 4, 6 and 7 are subject to DFT calculations.
Erscheinungsjahr
2019
Zeitschriftentitel
Dalton transactions (Cambridge, England : 2003)
Band
45
Seite(n)
16911-16921
eISSN
1477-9234
Page URI
https://pub.uni-bielefeld.de/record/2939034

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Weber L, Eickhoff D, Chrostowska A, et al. Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles. Dalton transactions (Cambridge, England : 2003). 2019;45:16911-16921.
Weber, L., Eickhoff, D., Chrostowska, A., Dargelos, A., Darrigan, C., Stammler, H. - G., & Neumann, B. (2019). Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles. Dalton transactions (Cambridge, England : 2003), 45, 16911-16921. doi:10.1039/c9dt03818c
Weber, L., Eickhoff, D., Chrostowska, A., Dargelos, A., Darrigan, C., Stammler, H. - G., and Neumann, B. (2019). Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles. Dalton transactions (Cambridge, England : 2003) 45, 16911-16921.
Weber, L., et al., 2019. Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles. Dalton transactions (Cambridge, England : 2003), 45, p 16911-16921.
L. Weber, et al., “Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles.”, Dalton transactions (Cambridge, England : 2003), vol. 45, 2019, pp. 16911-16921.
Weber, L., Eickhoff, D., Chrostowska, A., Dargelos, A., Darrigan, C., Stammler, H.-G., Neumann, B.: Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles. Dalton transactions (Cambridge, England : 2003). 45, 16911-16921 (2019).
Weber, Lothar, Eickhoff, Daniel, Chrostowska, Anna, Dargelos, Alain, Darrigan, Clovis, Stammler, Hans-Georg, and Neumann, Beate. “Syntheses and structures of benzo-bis(1,3,2-diazaboroles) and acenaphtho-1,3,2-diazaboroles.”. Dalton transactions (Cambridge, England : 2003) 45 (2019): 16911-16921.

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