5 years ago

Synthesis and Structure of N,N-Dinitroamidoborane Complexes

Synthesis and Structure of N,N-Dinitroamidoborane Complexes
Alexey Yu. Sukhorukov, Vladimir A. Tartakovsky, Oleg P. Shitov, Sema L. Ioffe, Ivan S. Golovanov
A general approach to the synthesis of borohydride complexes containing one or two dinitroamide fragments has been suggested. Based on a smooth substitution of halide in haloborane or dibromoborane complexes with N,N-dinitroamide salts, this method provides various N,N-dinitroamidoboranes complexes in good yields and in analytically pure form. By means of spectroscopic and computational methods, it was demonstrated that dinitroamidoborane complexes could form as both B,N- and B,O-isomers, which did not interconvert at ambient temperature. Boranes with a bang! Substitution of halide in haloborane or dibromoborane complexes with N,N-dinitroamide salts provides various N,N-dinitroamidoborane complexes in good yields and analytically pure form (see scheme; Alk=alkyl, py=pyridine, THF=tetrahydrofuran).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/asia.201700603

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