Pyridinium dichlorobromate: A new stable brominating agent for aromatic compounds

被引：0
作者：
Muathen, HA [1 ]
机构：
[1] Umm Al Qura Univ, Dept Chem, Mecca, Saudi Arabia
来源：
SYNTHESIS-STUTTGART | 2002年 / 02期
关键词：
pyridinium dichlorobromate; bromination; bromine chloride; aromatic compounds;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Pyridinium dichlorobromate (PyHBrCl2, 1) is a new example of iminium-trihalide complexes. The compound is prepared from pyridine and chlorine in the presence of aqueous hydrogen bromide. The crystalline trihalide is quite stable and acts as a safe source of positive bromine. It shows a remarkable reactivity towards aromatic compounds compared with other bromine complexes. It is also considered as a potential source for bromine c or e BrCl.
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页码：169 / 171
页数：3
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