A concise synthesis of 2,4-disubstituted pyridines: A convenient synthesis of 2-bromo-4-iodopyridine via halogen dance and its successive one-pot disubstitutions

被引:22
作者
Duan, XF [1 ]
Li, XH
Li, FY
Huang, CH
机构
[1] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China
[2] Fudan Univ, Inst Adv Mat, Shanghai 200433, Peoples R China
来源
SYNTHESIS-STUTTGART | 2004年 / 16期
关键词
halogen dance; 2-bromo-4-iodo-; pyridine; 2,4-disubstituted pyridine; bipyridine;
D O I
10.1055/s-2004-831259
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
As a key building block for 2,4-disubstituted pyridines, 2-bromo-4-iodopyridine was synthesized conveniently from 2-bromopyridine using LDA and I-2 via 'halogen dance'. 2-Bromo-4-iodopyridine was then converted to other 2,4-diaryl pyridines and 4-aryl-2,2'-bipyridines in one-pot reactions.
引用
收藏
页码:2614 / 2616
页数:3
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