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Novel one-pot synthesis of 4H-chromene derivatives using amino functionalized silica gel catalyst

查看全文 作  者:Vijaykumar [1]M.Joshi;Rupali [2]L.Magar;Prashant [3]B.Throat;Sunil [2]U.Tekale;Bhagavan [4]R.Patil;Mangal [2]P.Kale;Rajendra [2]P.Pawar 高影响力作者 机构地区:[1]Department of Chemistry,Karmveer Ramraoji Aher Arts,Science and Commerce College;[2]Department of Chemistry,Deogiri College;[3]Department of Chemistry,Dnyanopasak College;[4]Department of Chemistry,Sharda Mahavidyalaya高影响力机构 出  处:《Chinese Chemical Letters》索引2014年第25卷第3期,共4页高影响力期刊 摘  要:A simple, efficient, and environmentally benign method for the synthesis of 4H-chromene derivatives was developed using well ordered and recoverable amino functionalized silica gel as a base catalyst. The 4H-chromene derivatives were obtained in short time and excellent yield(87%–96%) by three component reaction of aldehydes, malononitrile and cyclic 1,3-diketones in water at 70 8C. 关 键 词:吡喃衍生物 碱性催化剂 合成方法 功能化 硅胶 氨基 小说
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