Synthesis and Molecular Structure of (Mes 2 C 6 H 3 )B(Br)N(H)[i-Pr 2 C 6 H 3 )] and an ab initio Examination of CH 3 BBr 2 and CH 3 B(Br)NH 2

Author： Li Xiao-Wang   Xie Yaoming   Su Jianrui   Iii Henry   Robinson Gregory  

Publisher： Taylor & Francis Ltd

ISSN： 1024-1221

Source： Main Group Chemistry, Vol.2, Iss.4, 1998-10, pp. : 323-327

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Abstract

Reaction of (2,6-dimesitylphenyl)boron dibromide, (Mes 2 C 6 H 3 )BBr 2 . I, with [2,6-di-i-propylphenyl)amino[lithium, [(i-Pr 2 C 6 ,H 3 )N(H)Li, affords 2,6-dimesitylphenyl](2,6-di-i-propylphenyl)amino]boron bromide, (Mes 2 C 6 H 3 )B(Br)N(H)[(i-Pr 2 C 6 H 3 )] II. II has been characterized by elemental analyses, 1 H and 13 C NMR, and single crystal X-ray diffraction. ab initio examination of model molecules CH 3 BBr 2 , III, and CH 3 B(Br)NH 2 , IV, supports a measure of &pgr;-bonding in the B[sbnd]Br and B[sbnd]N bonds in III and IV.

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