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  Difunctionalization of Olefins by Radicals and Nucleophiles

Liu, S. (2021). Difunctionalization of Olefins by Radicals and Nucleophiles. PhD Thesis, Universität zu Köln, Köln.

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 Creators:
Liu, Sensheng1, Author              
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1Research Group Klußmann, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445608              

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 Abstract: Transition metal free, difunctionalization of olefins by radical and nucleophile is presented in this PhD's work. The combination of benzoyl peroxide with strong Brønsted acid HPF6 allows the difunctionalizationn of alkenes with radicals derived from thioxanthene, xanthene and thiophenols together with nitrile and alcohol nucleophiles. Mechanistic studies suggest the acid promotes the electron transfer step by making BPO as a better electron acceptor. By using of triarylamine as organo-redox catalyst under transition metal and acid free in difunctionalization of alkenes was further studied. BPO with catalytic amount of triarylamine, alkenes can be difunctionalized by a wide range of alkyl radical, generated from C(sp3)-H or halogenated hydrocarbon, nucleophiles, including nitriles, acetic acid, alcohols and fluoride. Moreover, the oxidative Ritter reaction of allylic or benzylic C-H bonds can be also achieved under this reaction system.

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Language(s): eng - English
 Dates: 2021-07-222021-07-22
 Publication Status: Published in print
 Pages: 161
 Publishing info: Köln : Universität zu Köln
 Table of Contents: -
 Rev. Type: -
 Identifiers: -
 Degree: PhD

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