Graphene oxide nanosheets: a highly efficient and reusable carbocatalyst catalyzes the Michael-cyclization reactions of 4-hydroxycoumarins, 4-hydroxypyrone and 4-hydroxy-1-methylquinolinone with chalcone derivatives in aqueous media

Kausar Nazia; Ghosh Partha Pratim; Pal Gargi; Das Asish R.

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Graphene oxide nanosheets: a highly efficient and reusable carbocatalyst catalyzes the Michael-cyclization reactions of 4-hydroxycoumarins, 4-hydroxypyrone and 4-hydroxy-1-methylquinolinone with chalcone derivatives in aqueous media

机译：氧化石墨烯纳米片：一种高效且可重复使用的碳催化剂，可催化4-羟基香豆素，4-羟基吡喃酮和4-羟基-1-甲基喹啉酮与查尔酮衍生物在水性介质中的迈克尔环化反应

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Graphene oxide nanosheets were found to be a highly efficient, reusable and cost-effective carbocatalyst for the facile synthesis of highly diversified 4H-pyrans via a one-pot, two-component condensation reaction between freshly prepared chalcones and 4-hydroxycoumarin in aqueous media offering excellent yields. The new, green and metal free synthetic method also enables the condensation reaction for the formation of a library of pyranoquinolines and pyranopyrans.

机译：发现氧化石墨烯纳米片是一种高效，可重复使用且具有成本效益的碳催化剂，可通过新鲜制备的查耳酮与4-羟基香豆素在水性介质中的一锅，两组分缩合反应轻松合成高度多样化的4H-吡喃。优异的产量。新的，绿色和无金属的合成方法还可以进行缩合反应，形成吡喃喹啉和吡喃吡喃的文库。

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《RSC Advances》 |2015年第74期|共9页
作者
Kausar Nazia; Ghosh Partha Pratim; Pal Gargi; Das Asish R.;
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1. Graphene oxide nanosheets: a highly efficient and reusable carbocatalyst catalyzes the Michael-cyclization reactions of 4-hydroxycoumarins, 4-hydroxypyrone and 4-hydroxy-1-methylquinolinone with chalcone derivatives in aqueous media [J] . Kausar Nazia, Ghosh Partha Pratim, Pal Gargi, RSC Advances . 2015,第74期

机译：氧化石墨烯纳米片：一种高效且可重复使用的碳催化剂，可催化4-羟基香豆素，4-羟基吡喃酮和4-羟基-1-甲基喹啉酮与查尔酮衍生物在水性介质中的迈克尔环化反应
2. Highly Efficient Direct Asymmetric Aldol Reactions Catalyzed by a Prolinethioamide Derivative in Aqueous Media [J] . Bing Wang, Xin-wang Liu, Ling-yan Liu, European journal of organic chemistry . 2010,第31期

机译：脯氨酸硫酰胺衍生物在水性介质中催化的高效直接不对称醛醇缩合反应
3. Graphene oxide based solid acid as an efficient and reusable nano-catalyst for the green synthesis of diindolyl-oxindole derivatives in aqueous media [J] . Ali Allahresani, Mohammad Ali Nasseri, Alireza Akbari, Reaction Kinetics, Mechanisms and Catalysis . 2015,第1期

机译：氧化石墨烯基固体酸作为在水性介质中绿色合成二吲哚基-吲哚衍生物的有效且可重复使用的纳米催化剂
4. Metal Hydroxide-Catalyzed, Highly Setereoselective Formal α-Addition-type Allylation Reactions of Aldehydes in Aqueous Media [C] . Toshimitsu Endo, Masaharu Ueno, Shu Kobayashi European Symposium on Organic Chemistry . 2009

机译：金属氢氧化物催化，高度螺纹选择性正式α-添加型醛型醛型醛型含水介质
5. Efficient Removal of Tetracycline from Aqueous Media with a Fe3O4 Nanoparticles@graphene Oxide Nanosheets Assembly [O] . Xinjiang Hu, Yunlin Zhao, Hui Wang, 2017

机译：Fe3O4纳米颗粒@氧化石墨烯纳米片组件从水性介质中高效去除四环素
6. Nanoscale graphene oxide sheets as highly efficient carbocatalysts in green oxidation of benzylic alcohols and aromatic aldehydes [O] . Alireza Sedrpoushan, Masoud Heidari, Omid Akhavan 2017

机译：纳米级石墨烯氧化物片作为高效的碳酸碱催化剂在苄醇和芳香醛的绿色氧化中

Graphene oxide nanosheets: a highly efficient and reusable carbocatalyst catalyzes the Michael-cyclization reactions of 4-hydroxycoumarins, 4-hydroxypyrone and 4-hydroxy-1-methylquinolinone with chalcone derivatives in aqueous media

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