Boese, Roland; Paetzold, Peter; Tapper, Alexander; Ziembinski, Ralf:
Alkylalkylideneboranes R-B=C(SiMe3)2: isolable molecules with a two-coordinated sextet boron atom.
1989
In: Chemische Berichte (Chem.Ber.), Jg. 122 (1989), Heft 6, S. 1057 - 1060
Artikel/Aufsatz in Zeitschrift / Fach: Chemie
Titel:
Alkylalkylideneboranes R-B=C(SiMe3)2: isolable molecules with a two-coordinated sextet boron atom.
Autor(in):
Boese, Roland im Online-Personal- und -Vorlesungsverzeichnis LSF anzeigen; Paetzold, Peter; Tapper, Alexander; Ziembinski, Ralf
Erscheinungsjahr:
1989
Erschienen in:
Chemische Berichte (Chem.Ber.), Jg. 122 (1989), Heft 6, S. 1057 - 1060
ISSN:

Abstract:

The colorless, liq., pyrophoric alkylalkylideneboranes RB:C(SiMe3)2 (I; R = Me, CMe3) are formed from MeOBMeC(SiMe3)3 by elimination of Me3SiOM at 560 Deg and Me3SiF at 490 Deg resp. At ambient temp. I (R = CMe3) can be stored, whereas I (R = Me) cyclodimerized. I (R = CMe3) crystallizes at 225 K; a structure detn. at 120 K reveals the C-B:C skeleton to be linear with BC bond lengths of 154.7 and 136.1 pm. I forms [2 + 2] cycloadducts with 2,6-dimethylpyridine, benzopahenone, and iminoborane Me3CB.tplbond.NCMe3.