Triazolopyridines 22.: Description of new 7,9-di(2-pyridyl)[1,2,3]triazolo[5′1′:6,1]pyrido[3,2-d]pyrimidines

被引:12
作者
Abarca, B [1 ]
Ballesteros, R [1 ]
Chadlaoui, M [1 ]
机构
[1] Univ Valencia, Fac Farm, Dept Quim Organ, Avda Vicente Andres Estelles S-N, Valencia 46100, Spain
关键词
nitrogen heterocycles; helicating ligands; lithiation;
D O I
10.3998/ark.5550190.0003.a07
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The new heteroaromatic compounds, 7,9-di(2-pyridyl)[1,2,3]triazolo[5',1':6,1]pyrido[3,2-d] pyrimidines 11a-c, were synthesized in two steps from readily available triazolopyridines 1a-c. Regioselective lithiation of 1a-c followed by treatment with 2-cyanopyridine gave a mixture of compounds 5a-c, and 11a-c in moderate to low yields, together with gums. Similar reactions with the triazolopyridine 1d gave as the only identified compound the triazolopyridine derivative 5d.
引用
收藏
页码:52 / 60
页数:9
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