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arachno-Diazapentaboranes (1990)

Küpper, Stefan ; Englert, Ullrich ; Paetzold, Peter

New York, NY [u.a.] : Wiley-Blackwell

Heteroatom Chemistry 1 (1990), S. 479-484

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ISSN: 1042-7163

Keywords: Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The reaction of appropriate amounts of BH3 with diazadiboretidines (RBNtBu)2 (1a-e; R = Et, Pr, Bu, tBu, tBu(Me3Si)N) transforms them into cyclic diazapentaboranes either of the type [—RB—(H2)—BR—NtBu—BH—NtBu—] (2a-c), of the type [—HB—(H2)—BR—NtBu—BH—NtBu—] (3a-d), or of the type [—HB—(H2)—BH—NtBu—BH—NtBu—] (4), or into an acyclic product RBH—NtBu—BH—NtBu—BHR (2e). The structure of 3c is characterized by a planar N2B3 ring skeleton with an unsymmetrical double-hydrogen bridge.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/hc.520010609

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