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    • Keywords


      Macrobicyclic cryptands; cascade complexes; molecular recognition; molecular devices

    • Abstract


      Syntheses of a number of cryptands having heteroditopic as well as heterotritopic receptor sites have been achieved using alkali metal ions as templates. Some of the cryptands can be synthesized on a multi-gram scale without using any templating metal ions at low temperature (278 K). Each of these cryptands readily forms inclusion complexes with transition metal ions. These cryptands exhibit interesting properties and can further accomodate small anions inside the cavity. Further, upon suitable derivatization, some of the cryptands can behave as amphiphiles and form Langmuir-Blodgett films very readily. When derivatized with 9-methylanthracene, some of the cryptands show interesting fluorescence properties and can be of use as molecular photonic devices.

    • Author Affiliations


      Dillip K Chand1 Pradyut Ghosh1 Ramesh Shukla1 Sayam Sengupta1 Gopal Das1 Prasun Bandyopadhyay1 Parimal K Bharadwaj1

      1. Department of Chemistry, Indian Institute of Technology, Kanpur - 208 016, India
    • Dates

  • Journal of Chemical Sciences | News

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      Posted on July 25, 2019

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