ISSN:
0009-2940
Keywords:
Hydroboration
;
Tetraborane(8)
;
μ-(tert-butylimino)-μ-(tetramethylpiperidino)-
;
arachno-Undecaboranates(13), 11-(organylamino)-11-(tetramethylpiperidinio)-
;
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Contributions to the Chemistry of Boron, 213[1]. - Reactions of an Amino-imino-borane with Triborane(7) and Decaborane(14)Triborane(7)-THF hydroborates (tert-butylimino)(tetramethylpiperidino)borane 1 slowly to form μ-(tert-butylamino)-μ-(tetramethylpiperidino)tetraborane(8) 5. This molecule shows fluxional behaviour at ambient temperature in solution. In the solid state, an X-ray structure analysis reveals the presence of the asymmetric 1104-styx valence tautomer. 1 does not react at ambient temperature with pentaborane(9) in dichloromethane/hexane solution. However, 1 reacts rapidly with decaborane(14) to produce a tetramethylpiperidine adduct of an 11-(tert-butylamino)undecaborane(14) as determined by an X-ray structure analysis. The same kind of reaction occurs between decaborane(14) and (2,6-diisopropylphenylimino)-(2,2,6,6-tetramethylpiperidino)borane. Thus, decaborane(14) acts as a diprotic acid towards amino-imino-boranes.
Additional Material:
2 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19921251212
