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  1. Article: Triazolium Salts as Lewis Acid Catalysts

    Ranolia, Deepak / Avigdori, Idan / Singh, Kuldeep / Koronatov, Aleksandr / Fridman, Natalia / Gandelman, Mark

    Organic letters. 2022 May 26, v. 24, no. 22

    2022  

    Abstract: We describe a new type of nitrenium-based Lewis acids: tetraaryl-1,2,3-triazolium salts. These were fully characterized by NMR and X-ray crystallography. The Gutmann–Beckett acidity numbers were determined to be up to 35.6, which is high compared to ... ...

    Abstract We describe a new type of nitrenium-based Lewis acids: tetraaryl-1,2,3-triazolium salts. These were fully characterized by NMR and X-ray crystallography. The Gutmann–Beckett acidity numbers were determined to be up to 35.6, which is high compared to those of previously studied nitrenium salts. These salts catalyze the facile hydrosilylation-deoxygenation of ketones, aldehydes, acetals, alcohols, ethers, and silyl ethers under mild conditions in excellent yields. To our knowledge, this represents a first example of triazolium ions used as Lewis acid catalysts.
    Keywords Lewis acids ; X-ray diffraction ; acidity
    Language English
    Dates of publication 2022-0526
    Size p. 3915-3919.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1523-7052
    DOI 10.1021/acs.orglett.2c01108
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: Triazolium Salts as Lewis Acid Catalysts.

    Ranolia, Deepak / Avigdori, Idan / Singh, Kuldeep / Koronatov, Aleksandr / Fridman, Natalia / Gandelman, Mark

    Organic letters

    2022  Volume 24, Issue 22, Page(s) 3915–3919

    Abstract: We describe a new type of nitrenium-based Lewis acids: tetraaryl-1,2,3-triazolium salts. These were fully characterized by NMR and X-ray crystallography. The Gutmann-Beckett acidity numbers were determined to be up to 35.6, which is high compared to ... ...

    Abstract We describe a new type of nitrenium-based Lewis acids: tetraaryl-1,2,3-triazolium salts. These were fully characterized by NMR and X-ray crystallography. The Gutmann-Beckett acidity numbers were determined to be up to 35.6, which is high compared to those of previously studied nitrenium salts. These salts catalyze the facile hydrosilylation-deoxygenation of ketones, aldehydes, acetals, alcohols, ethers, and silyl ethers under mild conditions in excellent yields. To our knowledge, this represents a first example of triazolium ions used as Lewis acid catalysts.
    Language English
    Publishing date 2022-05-26
    Publishing country United States
    Document type Journal Article
    ISSN 1523-7052
    ISSN (online) 1523-7052
    DOI 10.1021/acs.orglett.2c01108
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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