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Abstract
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The inorganic benzene, borazine B6N6, is a textbook example of a six-σ-electron sixmembered ring.[1] Compared to benzene, the cyclic delocalization of electrons in the borazine ring is reduced due to the large electronegativity difference between boron and nitrogen. The polarity of the B-N bond causes borazine to show a reactivity pattern different from that of benzene. Understandably, the chemistry of borazine is dominated by addition reactions. The electrophiles first attack at nitrogen centers and form the corresponding conjugate acid, H3B3N3H3E+ (E+= electrophile; H+, CH3 +, etc.), similar to the benzonium ion and under basic conditions, substitution reactions occur.
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