Calix[n]triazoles and Related Conformational Studies

Illan Kim, Kyoung Chul Ko, Woo Ram Lee, Jihee Cho, Jong Hun Moon, Dohyun Moon, Amit Sharma, Jin Yong Lee, Jong Seung Kim, Sanghee Kim

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)

    Abstract

    Calix[n]triazoles are developed as new derivatives in the calixarene family. Calixtriazole compounds 2-4 are synthesized using an iterative convergent strategy including an inter-/intramolecular copper(I)-catalyzed azide-alkyne cycloaddition reaction. Solid-state structures are clearly refined to give 1,2-alternate and partial cone conformations for calix[4]triazole and calix[5]triazole, respectively. Theoretical studies based on density functional theory (DFT) calculations indicated that intermolecular interactions are crucial in determining the conformers of the crystals, and the most stable conformers of calix[4]triazole, calix[5]triazole, and calix[6]triazole in the monomeric forms are 1,3-alternate, 1,3-alternate, and 1,3,5-alternate, respectively.

    Original languageEnglish
    Pages (from-to)5509-5512
    Number of pages4
    JournalOrganic Letters
    Volume19
    Issue number20
    DOIs
    Publication statusPublished - 2017 Oct 20

    Bibliographical note

    Funding Information:
    This research was supported by 2016R1A2A1A05005375 (S.K.), Nos. 2009-0081566 and 2010-0020209 (J.S.K.), and NRF-2017R1C1B5018060 (W.R.L.) of National Research Foundation (NRF) grant funded by the Ministry of Science, ICT & Future Planning (MSIP) of Korea. This work was also supported by No. KSC-2016-C3-0070 (J.Y.L.) of the supercomputing application research of KISTI supercomputing center.

    Publisher Copyright:
    © 2017 American Chemical Society.

    ASJC Scopus subject areas

    • Biochemistry
    • Physical and Theoretical Chemistry
    • Organic Chemistry

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