scholarly journals Catalytically active coordination polymer with a tiny Zn2Se2 ring bridged by bis-selone

RSC Advances ◽  
2020 ◽  
Vol 10 (48) ◽  
pp. 28950-28957 ◽  
Author(s):  
Mannarsamy Maruthupandi ◽  
Ganesan Prabusankar
Keyword(s):  
Coordination Polymer ◽  
Knoevenagel Condensation ◽  
Condensation Reaction ◽  
Ring System ◽  
One Dimensional ◽  
Catalytically Active ◽  
Knoevenagel Condensation Reaction ◽  
Highly Strained

A highly strained Zn2Se2 ring system incorporated in a one-dimensional coordination polymer has been prepared and used as a catalyst in substituted 8-hydroxy-2-quinolinyl synthesis through Knoevenagel condensation reaction.

Calix[4]arene-based polyoxometalate organic–inorganic hybrid and coordination polymer as heterogeneous catalysts for azide–alkyne cycloaddition and Knoevenagel condensation reaction

2019 ◽  
Vol 43 (40) ◽  
pp. 15871-15878 ◽  
Author(s):  
Liu-Juan Yue ◽  
Ying-Ying Liu ◽  
Guo-Hai Xu ◽  
Jian-Fang Ma
Keyword(s):  
Coordination Polymer ◽  
Heterogeneous Catalysts ◽  
Knoevenagel Condensation ◽  
Condensation Reaction ◽  
Inorganic Hybrid ◽  
Condensation Reactions ◽  
Arene Ligand ◽  
Knoevenagel Condensation Reaction

One POM-based Cu(i)-hybrid and one Cd(ii) compound have been achieved by a calix[4]arene ligand. They exhibit efficient catalytic abilities for azide–alkyne cycloaddition and Knoevenagel condensation reactions, respectively.

Synthesis of β- and β,β-substituted Morita–Baylis–Hillman adducts using a two-step protocol

2012 ◽  
Vol 90 (5) ◽  
pp. 450-463 ◽  
Author(s):  
David I. Magee ◽  
Same Ratshonka ◽  
Jessica McConaghy ◽  
Maggie Hood
Keyword(s):  
Knoevenagel Condensation ◽  
Condensation Reaction ◽  
Facile Synthesis ◽  
Aliphatic Aldehydes ◽  
Tert Butyl ◽  
Keto Esters ◽  
Knoevenagel Condensation Reaction

The synthesis of a large number of β- and β,β-substituted keto esters was successful by the use of the Knoevenagel condensation reaction. The stereoselectivity of these reactions was improved by alteration of various substituent groups. Although there were few examples of complete Z selectivity, the use of tert-butyl acetoacetate with either aromatic or aliphatic aldehydes afforded Z selectivity. The selective reductions of these substituted keto esters was successfully achieved by using a combination of NaBH4 and CeCl3·7H2O or Yb(OTf)3, which allowed a facile synthesis of a large number of stereochemically pure substituted Morita–Baylis–Hillman adducts, including β,β-substituted adducts.

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