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- W4280593874 abstract "Abstract We recently disclosed a dehydrogenative double C−H bond activation reaction in the unusual pincer‐type rhodium‐germyl complex [(Ar Mes ) 2 ClGeRh] (Ar Mes =C 6 H 3 ‐2,6‐(C 6 H 2 ‐2,4,6‐Me 3 ) 2 ). Herein we investigate the catalytic applications of this Rh/Ge system in several transformations, namely trans‐ semihydrogenation of internal alkynes, trans ‐isomerization of olefins and hydrosilylation of alkynes. We have compared the activity and selectivity of this catalyst against other common rhodium precursors, as well as related sterically hindered rhodium complexes, being the one with the germyl fragment superior in terms of selectivity towards E ‐isomers. To increase this selectivity, a tandem catalytic protocol that incorporates the use of a heterogeneous catalyst for the trans ‐semihydrogenation of internal alkynes has been devised. Kinetic mechanistic investigations provide important information regarding the individual catalytic cycles that comprise the overall trans ‐semihydrogenation of internal alkynes." @default.
- W4280593874 created "2022-05-22" @default.
- W4280593874 creator A5015045788 @default.
- W4280593874 creator A5046775890 @default.
- W4280593874 creator A5079148547 @default.
- W4280593874 date "2022-05-31" @default.
- W4280593874 modified "2023-10-12" @default.
- W4280593874 title "Mechanistic Investigations on Hydrogenation, Isomerization and Hydrosilylation Reactions Mediated by a Germyl‐Rhodium System" @default.
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