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    The azole-directed cobalt-catalyzed asymmetric hydrogenation of alkenes has been developed with high efficiency. With this approach, chiral pyrazole compounds were obtained in quantitative yields and excellent enantioselectivity (up to 99% ee) under mild conditions, and the hydrogenation was conducted on a gram scale with up to 2000 TON. Several useful applications were demonstrated including the convenient introduction of β-chirality to a drug intermediate containing an azole ring.© 2022 Wiley-VCH GmbH.


    Yue Jin, Yashi Zou, Yanhua Hu, Yunxi Han, Zhenfeng Zhang, Wanbin Zhang. Azole-Directed Cobalt-Catalyzed Asymmetric Hydrogenation of Alkenes. Chemistry (Weinheim an der Bergstrasse, Germany). 2022 May 27

    PMID: 35622378

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