A metalloligand appended with benzimidazole rings: tetranuclear [CoZn 3 ] and [CoCd 3 ] complexes and their catalytic applications

A novel Co 3+ -based metalloligand 1 offering appended benzimidazole rings has been prepared and utilized for the synthesis of tetranuclear [CoZn 3 ] ( 2 and 2-Cl ) and [CoCd 3 ] ( 3 ) heterometallic coordination complexes (HCCs). Crystallographic studies of 2-Cl and 3 illustrate coordination of thr...

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Bibliographic Details
Published inNew journal of chemistry Vol. 42; no. 12; pp. 9847 - 9856
Main Authors Pandey, Saurabh, Bansal, Deepak, Gupta, Rajeev
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2018
Subjects
Catalysis
Coordination compounds
Crystallography
Recyclability
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Summary:A novel Co 3+ -based metalloligand 1 offering appended benzimidazole rings has been prepared and utilized for the synthesis of tetranuclear [CoZn 3 ] ( 2 and 2-Cl ) and [CoCd 3 ] ( 3 ) heterometallic coordination complexes (HCCs). Crystallographic studies of 2-Cl and 3 illustrate coordination of three secondary metal ions (Zn 2+ /Cd 2+ ) to the appended benzimidazole rings of 1 thus producing tetranuclear HCCs. Both HCCs were utilized as heterogeneous catalysts for Knoevenagel condensation and Henry reactions. The stability and recyclability experiments illustrate the stable nature of both HCCs during the catalysis.
ISSN:1144-0546
1369-9261
DOI:10.1039/C8NJ00734A