Insights on Active Sites of CaAl-Hydrotalcite as a High-Performance Solid Base Catalyst toward Aldol Condensation

ACS Catalysis ◽  
2017 ◽  
Vol 8 (1) ◽  
pp. 656-664 ◽  
Author(s):  
Weihan Bing ◽  
Lei Zheng ◽  
Shan He ◽  
Deming Rao ◽  
Ming Xu ◽  
...  
Keyword(s):  
Active Sites ◽  
High Performance ◽  
Aldol Condensation ◽  
Solid Base ◽  
Base Catalyst ◽  
Solid Base Catalyst

UTILIZATION OF EGGSHELL-DERIVED MATERIAL AS A SOLID BASE CATALYST FOR EFFICIENT SYNTHESIS OF SUBSTITUTED CHALCONES

2017 ◽  
Vol 79 (5) ◽  
Author(s):  
Lina Mardiana ◽  
Bayu Ardiansah ◽  
Ridla Bakri ◽  
Antonius Herry Cahyana ◽  
Yulia Anita ◽  
...  
Keyword(s):  
Aldol Condensation ◽  
Biological Activities ◽  
Base Material ◽  
Solid Base ◽  
Base Catalyst ◽  
Efficient Synthesis ◽  
Facile Synthesis ◽  
Solid Base Catalyst ◽  
Simple Preparation ◽  
Short Time

A simple preparation of sodium impregnated on activated chicken eggshells (Na-ACE) as a solid base material for substituted chalcones synthesis is presented. After characterization using FTIR, XRD, SEM, EDS and total basicity, the catalyst was applied in Aldol condensation to produce corresponding chalcones 3a-3j. Confirmation of products structure has been done by FTIR, UV-Vis and MS instruments. Reaction can be carried out in relative short time with ethanol as the best solvent and gave the highest yield of 95 %. This research presented a facile synthesis of chalcone derivatives, the prominent class of organic compounds with interesting biological activities. 

Unravel the surface active sites on Cu/MgLaO solid base catalyst by DRIFT spectroscopy and adsorption techniques for the synthesis of triazoles by click reaction

2019 ◽  
Vol 476 ◽  
pp. 110523
Author(s):  
Vishali Bilakanti ◽  
Venu Boosa ◽  
Naresh Gutta ◽  
Vijay Kumar Velisoju ◽  
Sreedhar Inkollu ◽  
...  
Keyword(s):  
Active Sites ◽  
Click Reaction ◽  
Solid Base ◽  
Base Catalyst ◽  
Drift Spectroscopy ◽  
Solid Base Catalyst ◽  
Surface Active

Application of zirconia modified with KOH as heterogeneous solid base catalyst to new non-edible oil for biodiesel

2014 ◽  
Vol 80 ◽  
pp. 117-125 ◽  
Author(s):  
Mohammed Takase ◽  
Min Zhang ◽  
Weiwei Feng ◽  
Yao Chen ◽  
Ting Zhao ◽  
...  
Keyword(s):  
Edible Oil ◽  
Solid Base ◽  
Base Catalyst ◽  
Solid Base Catalyst ◽  
Heterogeneous Solid
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