In an article, author is Huang, Jia-Hong, once mentioned the application of 7650-91-1, Name: Benzyldiphenylphosphine, Name is Benzyldiphenylphosphine, molecular formula is C19H17P, molecular weight is 276.31, MDL number is MFCD00014083, category is chiral-phosphine-ligands. Now introduce a scientific discovery about this category.
Spontaneous Resolution of Chiral Multi-Thiolate-Protected Ag-30 Nanoclusters
Despite significant progress achieved in the preparation of chiral nanoparticles, the enantioseparation of racemates still presents a big challenge in nanomaterial research. Herein, we report the synthesis and structural characterization of racemic anisotropic nanocluster Ag-30(C2B10H9S3)(8)Dppm(6) (Ag-30-rac), which is protected by mixed carboranetrithiolate and phosphine ligands. Spontaneous self-resolution of the racemates was realized through conglomerate crystallization in dimethylacetamide (DMAc). The homochiral nanoclusters in the racemic conglomerates adopt enantiomeric helical self-assemblies (R/L-Ag-30). Diverse noncovalent interactions as the driving force in directing superstructure packing were elucidated in detail. Furthermore, the nanoclusters show red luminescence in both solid and solution states, and the racemic conglomerates display a mirror-image CPL response. This work provides atomprecise helical nanoparticle superstructures that facilitate an in-depth understanding of the helical-assembly mechanism.
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Reference:
Phosphine ligand,
,Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate