Efficient one-pot synthesis of 2-oxo-1,9a-dihydro-2H-pyrido-[1,2-a]pyrimidine derivatives

被引:33
作者
Adib, M [1 ]
Yavari, H [1 ]
Mollahosseini, M [1 ]
机构
[1] Univ Tehran, Fac Sci, Dept Chem, Tehran, Iran
关键词
pyridines; acetylenic esters; isocyanates; 2-oxo-1,9a-dihydro-2H-pyrido[1,2-a]pyrimidine; derivatives;
D O I
10.1016/j.tetlet.2003.12.082
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Pyridines react smoothly with dialkyl acetylenedicarboxylates in the presence of isocyanates to produce dialkyl 2-oxo-1,9a-dihydro-2H-pyrido[1,2-a]pyrimidine 3,4-dicarboxylates in excellent yields. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1803 / 1805
页数:3
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