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Sulfonated graphenes catalyzed synthesis of expanded porphyrins and their supramolecular interactions with pristine graphene
- 作者:SWETA MISHRA (1)
SMRITI ARORA (1) RITIKA NAGPAL (1) SHIVE MURAT SINGH CHAUHAN (1)
- 关键词:Sulfonated graphene ; expanded porphyrins ; heterogeneous catalysis ; solid acid ; non ; covalent interaction
- 刊名:Journal of Chemical Sciences
- 出版年:2014
- 出版时间:November 2014
- 年:2014
- 卷:126
- 期:6
- 页码:1729-1736
- 全文大小:1,730 KB
- 参考文献:1. Rao C N R, Sood A K, Subrahamanyam K S and Govindaraj A 2009 / Angew. Chem. 121 7890
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- 作者单位:SWETA MISHRA (1)
SMRITI ARORA (1) RITIKA NAGPAL (1) SHIVE MURAT SINGH CHAUHAN (1)
1. Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110 007, India
- 刊物类别:Chemistry and Materials Science
- 刊物主题:Chemistry
Chemistry
- 出版者:Springer India
- ISSN:0973-7103
文摘
A newer synthesis of sulfonic acid functionalized graphenes have been developed, which have been characterized, examined as heterogeneous solid acid carbocatalyst in the synthesis of selected expanded porphyrins in different reaction conditions. This environment-friendly catalyst avoids the use of toxic catalysts and enhances the yields of porphyrinoids. The non-covalent interaction of porphyrinoids has also been studied with exfoliated graphene solution in organic solvents by UV-Visible and fluorescence spectroscopy. Graphical Abstract Reaction of pyrrole with arylaldehydes catalyzed by newly synthesized sulfonated graphene in ortho-dichlorobenzene gave 5,10,15,20-tetraarylporphyrins and corresponding expanded porphyrins depending upon the reaction conditions. The possible non-covalent interactions with porphyrinoids with prisitine graphene have been examined by UV-visible and fluorescence spectroscopy.
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