科研之友
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摘要
The ratio of chiral BrOnsted acid to ammonium-phosphine hybrid ligand in the in situ preparation of ion-paired chiral ligands was found to have a notable effect on the stereocontrolling ability of the corresponding palladium complex. The use of supramolecular palladium complexes generated from palladium metal, ammonium phosphine, and a chiral phosphoric acid in a ratio of 1:2:3 enabled an excellent level of enantiocontrol in the catalytic asymmetric allylation of -nitrocarboxylates with a functionalized allylic carbonate.
- 出版日期2016-4
