Synthesis of Bridgehead Nitrogen Heterocycles on a Solid Surface
作者:Shashikanth Ponnala、S. T. V. S. Kiran Kumar、Bashir A. Bhat、Devi Prasad Sahu
DOI:10.1081/scc-200051674
日期:2005.4.1
Abstract Bridgeheadnitrogenheterocycles were synthesized from heteroaromatic amidines and cyclic or acyclic α‐bromoketones under solvent‐free conditions at room temperature on a solid surface in excellent yields, which are higher than those obtained with hitherto‐known methods of syntheses. #CDRI Communication No. 6545.
Convenient and highly efficient microwave-assisted synthesis of 2-Arylimidazo[1,2-a]pyrimidine-3-carbaldehydes in glycerol
作者:Hani Y. Saeed、Maqdoom Farooqui、Ayesha N. Durrani
DOI:10.1080/00397911.2022.2158746
日期:2023.1.17
Abstract A simple and highly efficient method adopted for the synthesis of 2-Arylimidazo[1,2-a]pyrimidine-3-carbaldehyde from reaction of 2-phenylimidazo[1,2-a]pyrimidines, with (Vilsmeier–Haack reagent) in the presence of glycerol as a green reaction medium under microwave irradiation at 400 watt, at 90 °C. Mild reaction conditions, high yield, short reaction time, a clean reaction profile, avoiding
摘要 2-苯基咪唑并[1,2-a]嘧啶与(Vilsmeier-Haack试剂)反应合成2-芳基咪唑并[1,2-a]嘧啶-3-甲醛的简单高效方法在 400 瓦、90 °C 的微波辐射下,甘油作为绿色反应介质存在。反应条件温和、收率高、反应时间短、反应曲线干净、避免使用有毒催化剂、有害有机溶剂、废料少是以往采用的方法的优点。
Antibacterial compounds
申请人:DISCUVA LTD.
公开号:US11345694B2
公开(公告)日:2022-05-31
The present invention relates to compounds of general formula (II), to compositions comprising these compounds and to methods of treating Enterobacteriaceae bacterial diseases and infections using the compounds. The compounds find application in the treatment of infection with, and diseases caused by, Enterobacteriaceae.
Antifungal activity in vitro of some imidazo[1,2-a]pyrimidine derivatives
作者:Y Rival、G Grassy、A Taudou、R Ecalle
DOI:10.1016/0223-5234(91)90208-5
日期:1991.1
In regard to fungicidal activity of imidazole ring found in chemical compounds such as econazole, a series of 42 diversely substituted imidazo[1,2-alpha]phyrimidines was synthetized and examined for its antifungal activity in several species.
RIVAL, Y.;GRASSY, G.;TAUDOU, A.;ECALLE, R., EUR. J. MED. CHEM., 26,(1991) N, C. 13-18