Synthesis of 1,2,4,5‐tetrasubstituted imidazoles and 2,4,5,6‐tetrasubstituted pyrimidines: three‐component, the one‐pot reaction of arylamidines, malononitrile, and arylglyoxals or aryl aldehydes
作者:Hossein Mehrabi、Mina Hajipour、Fatemeh Rezazadeh‐Jabalbarezi、Farzaneh Alizadeh‐Bami
DOI:10.1002/jhet.4053
日期:——
efficient one‐pot synthesis of the 1,2,4,5‐tetrasubstituted imidazoles and 2,4,5,6‐tetrasubstituted pyrimidines through an arylamidine, malononitrile, and carbonyl compound by using Et3N in CH3CN at reflux conditions was developed. The nature of the carbonyl compounds were different; when the carbonyl compound was arylglyoxal or aryl aldehyde, 1,2,4,5‐tetrasubstituted imidazole and 2,4,5,6‐tetrasubstituted
通过在CH 3 CN中使用Et 3 N回流,通过芳亚胺,丙二腈和羰基化合物高效地一锅法合成1,2,4,5-四取代的咪唑和2,4,5,6-四取代的嘧啶条件得到发展。羰基化合物的性质不同;当羰基化合物为芳基乙二醛或芳基醛时,分别获得1,2,4,5-四取代的咪唑和2,4,5,6-四取代的嘧啶。