solution. Methods: Synthesis of several new 4H-chromenes (5-14) has been achieved involving various reactions. The structure of these new compounds was confirmed using IR, 1H NMR and 13C NMR, as well as MS spectroscopy. Results and Conclusion: All newly substituted chromene derivatives displayed potential analgesic and anticonvulsant activities. The structure-activity relationship study revealed that
简介: 2-Amino-7-hydroxy-4-phenyl-4H-chromene-3-carbonitrile (4) 在
乙醇/
哌啶溶液中通过三组分反应合成。方法:通过各种反应合成了几种新的 4H-色烯 (5-14)。这些新化合物的结构已通过 IR、1H NMR 和 13C NMR 以及 MS 光谱进行了确认。结果和结论:所有新取代的色烯衍
生物都显示出潜在的镇痛和抗惊厥活性。构效关系研究表明,2-amino-4-phenyl-3-(1Htetrazol- 5-yl)-4H-chromen-7-ol (13) 比 8-hydroxy-2-methyl-5- 更有益phenyl-3,5-dihydro- 4H-chromeno[2,3-d]pyrimidin-4-one (11), 8-hydroxy-2,5-diphenyl-3,5-dihydro-4H-chromeno[2,3] -d]pyrimidin-