NDLI: A di-substituted boron dication and its hydride-induced transformation to an NHC-stabilized borabenzene.

Content Provider	Semantic Scholar
Author	Shen, Chao-Tang Liu, Yi-Hung Peng, Shie-Ming Chiu, Ching-Wen
Copyright Year	2013
Abstract	The intrinsic electron deficiency of borane derivatives stems from the presence of a low-lying empty p orbital on the boron atom. Methods to further increase the Lewis acidity of boranes include the incorporation of a boron atom into an anti-aromatic system and the introduction of electronwithdrawing groups, such as halogens, Lewis acidic elements, and cationic functionalities. Compared with the cationic boranes, for which the formal positive charges are located on the peripheral functionalities, boron cations are markedly more electron deficient and have been identified as the active intermediates in various organic transformations. Boron monocations can be classified into three categories, dicoordinated borinium, tri-coordinated borenium, and tetracoordinated boronium ions (Scheme 1). The electron deficiency of the boron atom decreases as its coordination number increases.
File Format	PDF HTM / HTML
DOI	10.1002/anie.201308385
PubMed reference number	24307016
Journal	Medline
Volume Number	52
Issue Number	50
Alternate Webpage(s)	http://ntur.lib.ntu.edu.tw/bitstream/246246/260639/1/13293_ftp.pdf
Journal	Angewandte Chemie
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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