Braunschweig, Holger; Paetzold, Peter; Boese, Roland:

[2 + 2] Cycloaddition of iminoboranes to a neopentylidenetantalum complex.

In: Chemische Berichte (Chem.Ber.), Jg. 123 (1990) ; Nr. 3, S. 485-487
ISSN: 0009-2940
Zeitschriftenaufsatz / Fach: Chemie
The neopentylidenetantalum complex (h5-Cp)Cl2Ta:CHCMe3 (Cp = cyclopentadienyl) and the iminoboranes R1B.tplbond.NR (R1/R = Et/CMe3, Bu/CMe3, Me2CHCH2/Me2CHCH2, Ph/CMe3) undergo a [2+2] cycloaddn. yielding the corresponding 1-aza-2-bora-4-tantalacyclobutanes I. The crystal and mol. structure of I (R = R1 = Me2CHCH2) is reported.

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