- Synthesis of building blocks for the development of the SUPRAPhos ligand library and examples of their application in catalysis
- European Journal of Organic Chemistry
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- Faculty of Science (FNWI)
- Van 't Hoff Institute for Molecular Sciences (HIMS)
We have previously introduced the SUPRAPhos ligand library, which is based on components that are self-assembled through nitrogen-zinc interactions, and report here an extension of this library, which widens the scope for application in asymmetric homogeneous catalysis. For example, we report the synthesis of phosphorus amidite appended porphyrins and building blocks with stereogenic centers at the phosphorus. With the new building blocks described in this paper we can form a 450-membered SUPRAPhos library, which is based on 45 building blocks (30 pyridyl phosphorus ligands and 15 complementary porphyrin-appended phosphorus ligands). Examples of the use of members of the library in the rhodium-catalyzed asymmetric hydroformylation of styrene are included.
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