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Nitrogen Lewis Acids
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DOI：10.1021/jacs.6b12360.png)
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Abstract
En 中文
Being a major conception of chemistry, Lewis acids have found countless applications throughout chemical enterprise. Although many chemical elements can serve as the central atom of Lewis acids, nitrogen is usually associated with Lewis bases. Here, we report on the first example of robust and modifiable Lewis acids centered on the nitrogen atom, which provide stable and well-characterized adducts with various Lewis bases. On the basis of the reactivity of nitrogen Lewis acids, we prepared, for the first time, cyclic triazanes, a class of cyclic organic compounds sequentially bearing three all-saturated nitrogen atoms (N-N-N motif). Reactivity abilities of these N-Lewis acids were explained by theoretical calculations. Properties and future applications of nitrogen Lewis acids are intriguing.
Keywords:
NITRENIUM IONS
CHEMISTRY
ARSENIUM
PHOSPHENIUM
NITRATION
LIGANDS
SALTS
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15.6
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