Details

Autor(en) / Beteiligte

• Yue, Liu-Juan
• Liu, Ying-Ying
• Xu, Guo-Hai
• Ma, Jian-Fang

Titel

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

Ist Teil von

• New journal of chemistry, 2019, Vol.43 (4), p.15871-15878

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2019

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Based on a neutral pyridyl-functional calix[4]arene ligand (L = tetrakis [(3-pyridylmethyl)oxy]- p -tertbutylcalix[4]arene), one polyoxometalate-based organic-inorganic hybrid [Cu 2 L(SiW 12 O 40 ) 0.5 ]·CH 3 CN·2H 2 O ( 1 ) and one coordination polymer [CdCl 2 L]·CH 3 CN ( 2 ) have been successfully synthesized under solvothermal conditions. 1 exhibits a distinctive layer attributed to the weak interactions among the positive Cu( i )-L chains and [SiW 12 O 40 ] 4 anions. 2 displays a chain model containing a Cd( ii ) dimer. Both 1 and 2 were investigated as heterogeneous catalysts. 1 is an excellent heterogeneous catalyst for the azide-alkyne cycloaddition (AAC) reaction and 2 exhibits highly efficient catalytic performance for the Knoevenagel condensation reaction. Both 1 and 2 were easily separated. 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.