HPLC of Formula: 291536-01-1. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: (2S)-1-[(4R)-4,5-dihydro-4-phenyl-2-oxazolyl]-2-(diphenylphosphino)ferrocene, is researched, Molecular C31H26FeNOP, CAS is 291536-01-1, about Stereodivergent Coupling of 1,3-Dienes with Aldimine Esters Enabled by Synergistic Pd and Cu Catalysis. Author is Zhang, Qinglong; Yu, Huimin; Shen, Lulu; Tang, Tianhua; Dong, Dongfang; Chai, Weiwei; Zi, Weiwei.
Herein we describe the use of synergistic Pd and Cu catalysis for stereodivergent coupling reactions between 1,3-dienes and aldimine esters. By using different enantiomers of the two metal catalysts, all four stereoisomers of the coupling products, which have two vicinal stereocenters, could be accessed with high diastereo- and enantioselectivity [e.g., I + II → III (99%, 88% isolated; >20:1 dr, >99% ee)]. This atom-economical cross-coupling reaction has a wide substrate scope and good functional group tolerance. Our work highlights the power of synergistic catalysis for asym. coupling reactions involving Pd-hydride catalysts.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary