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Changyue Ren

Phosphonium salt catalysts for reductive and non-reductive CO2 fixation

Universität Rostock, 25.03.2024

https://doi.org/10.18453/rosdok_id00004759

Abstract: In this thesis, a series of phosphonium salts were designed and used as catalysts for CO2 fixation and conversion to different valuable products via reductive and non-reductive reactions. Firstly, a phosphonium salt and two bifunctional phosphonium salts bearing perfluorinated side chains were prepared for the preparation of cyclic carbonate. Subsequently, phosphonium internal salt and a phosphonium methylcarbonate saltcatalyzed selectively reductive C-N bond formation reaction between amines and CO2 as C1-source with hydrosilanes as reducing agent were developed.

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