Debasis Bandopadhyay obtained his MSc in Chemistry from Burdwan University and received PhD from IIT, Kharagpur. Presently, he teaches chemistry at Bankura Christian College, Bankura, West Bengal as a senior lecturer. He enjoys presenting new and more convincing approaches for chemistry problems to his students.

Crowns and crypts constitute a very interesting and important class of complexing ligands. Besides many metal complexes, these ligands made possible the formation of a variety of unusual species among which ‘alkalides’ and ‘electrides’ require special mention. The crowns and crypts are widely studied due to their increasing use in various improbable chemical and physical processes. Further interest in these ligands lies in their use as biochemical models. A brief discussion on the crowns and crypts is presented here. .

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Address for Correspondence
Debasis Bandyopadhyay
Department of Chemistry
Bankura Christian College Bankura,
West Bengal 722101, India.