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Nido-tetraborane

Derivatives of nido-Tetraborane(8), B4Hg, and closo-Tetraborane(6), B4H6... [Pg.57]

The first derivative of carba-nido-tetraboranes(7), 16a, was prepared by reaction of anionic 17 with iodomethane and characterized by NMR spectroscopy and by model computations (Scheme 3.2-10) [28]. The structurally analyzed 16b is obtained by deuteration of the dianion 10a2 [20] mentioned in Section 3.2.2.2. The results of an X-ray structural analysis of its dilithium salt are discussed in Section 3.2.8.3. The lithium cations are coordinated side-on to the B-B 2c2e bonds just as predicted for the aromatic U2B3H3 [6]. Obviously, (Li+)210a2 is a 2e homoaromatic. Since the positions of the lithium cations resemble those of the deuter-... [Pg.280]

See other pages where Nido-tetraborane is mentioned: [Pg.59]    [Pg.329]    [Pg.59]    [Pg.329]    [Pg.55]    [Pg.57]    [Pg.234]    [Pg.68]    [Pg.193]    [Pg.193]    [Pg.519]    [Pg.68]    [Pg.193]    [Pg.193]   
See also in sourсe #XX -- [ Pg.57 , Pg.59 ]



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