PEG‐400[poly(ethylene glycol‐400)] is used as a “green” recyclable solvent in the one‐pot synthesis of 2‐arylimidazo[1,2‐a]pyrimidines by reaction with ketones, [hydroxyl(2,4‐dinitrobenzenesulfonyloxy)‐iodo]benzene (HDNIB), and 2‐aminopyrimidine. Significant rate enhancements and improved yields have been observed.
PEG-400 [聚(乙二醇-400)]在与酮[羟基(2,4,4)反应的单罐合成2-芳基咪唑[1,2- a ]嘧啶中用作“绿色”可回收溶剂-二硝基苯磺酰氧基)-碘]苯(HDNIB)和2-氨基嘧啶。已经观察到速率显着提高和产量提高。
Nouveaux composés de type azaindolizine: étude in vitro de la prévention du bronchospasme
作者:Philippe R Loiseau、Marc Payard、Gérard Grassy、Zolda Dornelles Pinto、Charles Advenier、Jean-Paul Gnassounou、Yves Adam
DOI:10.1016/0223-5234(87)90036-5
日期:1987.9
Saldabol,N.O. et al., Journal of Organic Chemistry USSR (English Translation), 1979, vol. 15, p. 2303 - 2310
作者:Saldabol,N.O. et al.
DOI:——
日期:——
Formation of bromo-substituted imidazo[1,2-a]pyridines and their aza and thia analogs when the chichibabin reaction is carried out in dimethyl sulfoxide
作者:N. O. Saldabol、O. E. Lando
DOI:10.1007/bf00945338
日期:1978.2
Organic Reactions in Ionic Liquids: Ionic Liquid‐Accelerated One‐Pot Synthesis of 2‐Arylimidazo[1,2‐a]pyrimidines
作者:Yuan‐Yuan Xie
DOI:10.1081/scc-200063911
日期:2005.7
The room-temperature ionic liquid n-butylpyridinium tetrafluoroborate (BPyBF4) is used as a recyclable alternative to classical molecular solvents in the one-pot synthesis of 2-arylimidazo[1,2-a] pyrimidines by reaction with ketones, [hydroxy(tosyloxy) iodo] benzene, and 2-aminopyrimidine. Significant rate enhancements and improved yields have been observed.