Carboxylic, Weak Acid Type, Cation Exchange Resin

1949 ◽  
Vol 41 (6) ◽  
pp. 1269-1272 ◽  
Author(s):  
Robert Kunin ◽  
Ruth E. Barry
Keyword(s):  
Cation Exchange ◽  
Exchange Resin ◽  
Cation Exchange Resin ◽  
Weak Acid ◽  
Acid Type

Sorption of Pb (II) from battery industry wastewater using a weak acid cation exchange resin

2017 ◽  
Vol 107 ◽  
pp. 498-507 ◽  
Author(s):  
Ilda Vergili ◽  
Z. Beril Gönder ◽  
Yasemin Kaya ◽  
Gülten Gürdağ ◽  
Selva Çavuş
Keyword(s):  
Cation Exchange ◽  
Exchange Resin ◽  
Cation Exchange Resin ◽  
Weak Acid ◽  
Acid Cation ◽  
Battery Industry ◽  
Industry Wastewater

Sorption of metal ions on a weak acid cation-exchange resin containing carboxylic groups

1994 ◽  
Vol 298 (2) ◽  
pp. 225-232 ◽  
Author(s):  
Maria Pesavento ◽  
Raffaela Biesuz ◽  
José Louis Cortina
Keyword(s):  
Metal Ions ◽  
Cation Exchange ◽  
Exchange Resin ◽  
Cation Exchange Resin ◽  
Weak Acid ◽  
Carboxylic Groups ◽  
Acid Cation

Synthesis of 3,4-Dihydropyrano[c]chromenes Using Carbon Microsphere Supported Copper Nanoparticles (Cu-NP/C) Prepared from Loaded Cation Exchange Resin as a Catalyst

2019 ◽  
Vol 16 (2) ◽  
pp. 288-293
Author(s):  
Yogesh W. More ◽  
Sunil U. Tekale ◽  
Nitishkumar S. Kaminwar ◽  
László Kótai ◽  
Tibor Pasinszki ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Cation Exchange ◽  
Copper Nanoparticles ◽  
Exchange Resin ◽  
Cation Exchange Resin ◽  
Environmentally Benign ◽  
High Yield ◽  
Carbon Microsphere ◽  
Catalytic Material ◽  
Operational Simplicity

Aim and Objective: The present study was performed with the aim to develop an efficient and environmentally benign protocol for the synthesis of biologically siginifcant 3, 4-dihydropyrano[c]chromenes using a new catalytic material. The protocol involves the use of a reusable, environment friendly materials and solvents with operational simplicity. Materials and Methods: Carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin were synthesized, characterized with well versed analytical techniques such as XRD, SEM and Raman spectroscopy and the synthesized material was used as a catalyst for the environmentally benign synthesis of 3,4-dihydropyrano[c]chromenes. Results: The formation of carbon microsphere supported copper nanoparticles (Cu-NP/C) prepared from loaded cation exchange resin was confirmed by XRD, SEM and Raman spectroscopy which was employed as a heterogeneous material for the synthesis of 3,4-dihydropyrano[c]chromenes. The products formed were characterized by the analysis of spectroscopic data - NMR, IR and mass. The safe catalytic system offers several advantages including operational simplicity, environmental friendliness, high yield, and reusability of catalyst and green chemical transformation. Conclusion: Herein we report an easy and efficient protocol for the one-pot synthesis of dihydropyrano[ c]chromenes using environmentally benign MCR approach in ethanol as the green solvent. The method developed herein constitutes a valuable addition to the existing methods for the synthesis of titled compounds.

Sign in / Sign up

Export Citation Format

Share Document