{"title":"新型吡喃衍生物的开发、制备和表征及其生物学评估","authors":"Shamili Sriramoju, Srinivas Avula, Sindhura Konda, Kavitha Siddoju","doi":"10.25303/283rjce061069","DOIUrl":null,"url":null,"abstract":"We have synthesized some novel derivatives of 4-(1-(2, 4-dinitrophenyl)-3-phenyl-1H-pyrazol-4-yl)-7,7-dimet hyl-2-(methylamino)-3nitro-6,7,8,8a-tetrahydro-4H-chromen-5(4aH)-one by the multicomponent reaction of pyrazole aldehydes derivatives, N-methyl-1-(methylthio)-2-nitroethenamine (NMSM) and 5,5-dimethylcyclohexane-1,3-dione. The synthesised compounds are confirmed by 1H NMR, IR and Mass Spectroscopy and they were then tested for antioxidant activities. In terms of antioxidant activity, compounds C-7 and C-1 were found to have the greatest and lowest levels respectively. Against Enterobacter aerogenes, compound C-5 exhibited the lowest minimum inhibitory concentration value.","PeriodicalId":21012,"journal":{"name":"Research Journal of Chemistry and Environment","volume":"213 10","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The development, preparation and characterisation of novel pyran derivatives and their biological assessment\",\"authors\":\"Shamili Sriramoju, Srinivas Avula, Sindhura Konda, Kavitha Siddoju\",\"doi\":\"10.25303/283rjce061069\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We have synthesized some novel derivatives of 4-(1-(2, 4-dinitrophenyl)-3-phenyl-1H-pyrazol-4-yl)-7,7-dimet hyl-2-(methylamino)-3nitro-6,7,8,8a-tetrahydro-4H-chromen-5(4aH)-one by the multicomponent reaction of pyrazole aldehydes derivatives, N-methyl-1-(methylthio)-2-nitroethenamine (NMSM) and 5,5-dimethylcyclohexane-1,3-dione. The synthesised compounds are confirmed by 1H NMR, IR and Mass Spectroscopy and they were then tested for antioxidant activities. In terms of antioxidant activity, compounds C-7 and C-1 were found to have the greatest and lowest levels respectively. Against Enterobacter aerogenes, compound C-5 exhibited the lowest minimum inhibitory concentration value.\",\"PeriodicalId\":21012,\"journal\":{\"name\":\"Research Journal of Chemistry and Environment\",\"volume\":\"213 10\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-01-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Research Journal of Chemistry and Environment\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.25303/283rjce061069\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Earth and Planetary Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research Journal of Chemistry and Environment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.25303/283rjce061069","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Earth and Planetary Sciences","Score":null,"Total":0}
The development, preparation and characterisation of novel pyran derivatives and their biological assessment
We have synthesized some novel derivatives of 4-(1-(2, 4-dinitrophenyl)-3-phenyl-1H-pyrazol-4-yl)-7,7-dimet hyl-2-(methylamino)-3nitro-6,7,8,8a-tetrahydro-4H-chromen-5(4aH)-one by the multicomponent reaction of pyrazole aldehydes derivatives, N-methyl-1-(methylthio)-2-nitroethenamine (NMSM) and 5,5-dimethylcyclohexane-1,3-dione. The synthesised compounds are confirmed by 1H NMR, IR and Mass Spectroscopy and they were then tested for antioxidant activities. In terms of antioxidant activity, compounds C-7 and C-1 were found to have the greatest and lowest levels respectively. Against Enterobacter aerogenes, compound C-5 exhibited the lowest minimum inhibitory concentration value.
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