HPLC of Formula: C15H12O. Zhu, RY; Chen, L; Hu, XS; Zhou, F; Zhou, J in [Zhu, Ren-Yi; Chen, Long; Hu, Xiao-Si; Zhou, Feng; Zhou, Jian] Shanghai Engn Res Ctr Mol Therapeut & New Drug De, Shanghai, Peoples R China; [Zhou, Feng; Zhou, Jian] East China Normal Univ, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China; [Zhou, Jian] Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Shanghai 200032, Peoples R China published Enantioselective synthesis of P-chiral tertiary phosphine oxides with an ethynyl group via Cu(i)-catalyzed azide-alkyne cycloaddition in 2020.0, Cited 130.0. The Name is Chalcone. Through research, I have a further understanding and discovery of 94-41-7.
We report the highly enantioselective synthesis of P-chiral tertiary phosphine oxides featuring an ethynyl group via Cu(i)-catalyzed azide-alkyne cycloaddition. Newly developed chiral pyridinebisoxazolines (PYBOX) bearing a bulky C4 shielding group play an important role in achieving excellent enantioselectivity while suppressing side bis-triazoles formation in desymmetrizing prochiral diethynylphosphine oxides. Notably, by tuning the size of the C4 shielding group, it is possible to achieve excellent remote enantiofacial control in desymmetrizing phosphole oxide-diynes with the prochiral P-center farther from the ethynyl group by four covalent bonds. Time-dependent enantioselectivity is observed for these desymmetric CuAAC reactions, suggesting a synergic combination of a desymmetrization and a kinetic resolution, and our ligands prove to be better than unmodified PYBOX in both steps. This finding contributes to a highly enantioselective kinetic resolution of racemic ethynylphosphine oxides. The resulting chiral ethynylphosphine oxides are versatile P-chiral synthons, which can undergo a number of diversifying reactions to enrich structural diversity.
About Chalcone, If you have any questions, you can contact Zhu, RY; Chen, L; Hu, XS; Zhou, F; Zhou, J or concate me.. HPLC of Formula: C15H12O
Reference:
Thiazolidine – Wikipedia,
,Thiazolidine – ScienceDirect.com