نتایج جستجو برای: quinoxalines
تعداد نتایج: 266 فیلتر نتایج به سال:
In this paper, calcium iodate nanoparticles were first synthesized by the modified reaction of Ca(NO3)2 and KIO3 in an aqueous medium under ultrasonic irradiation. The structure nanocatalyst was then characterized FT-IR, FESEM, EDX, XRD, BET techniques. Afterward, fabricated Ca(IO3)2 applied as a facile synthesis heterocycles including quinoxalines, 5,6-dicyano pyrazines, pyrido[2,3-b]pyrazines...
substituted 2, 4- diphenyl quinolines were synthesized by a multicomponent domino reaction of anilines, aldehydes and terminal aryl alkynes. the synthetic pathway involves the formation of an imine, followed by the intermolecular addition of an alkyne to the imine. this intermediate immediately undergoes ring closure and oxidative aromatization. the reaction is catalyzed by natural kaolin, a st...
Substituted 2, 4- diphenyl quinolines were synthesized by a multicomponent domino reaction of anilines, aldehydes and terminal aryl alkynes. The synthetic pathway involves the formation of an imine, followed by the intermolecular addition of an alkyne to the imine. This intermediate immediately undergoes ring closure and oxidative aromatization. The reaction is catalyzed by natural kaolin, a st...
They function as potent inhibitors of glycoproteins; including DC-SIGN, which facilitates the spread of viruses such as HIV, Hepatitis C, or Ebola; or CETP, which in its inhibited state counteracts atherosclerosis. Furthermore, they have been reported to open calcium channels; or serve as highly selective antagonists for diverse receptors, for example Kinin B1, which is associated with inflamma...
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