Recommanded Product: 36620-11-8. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Bis(norbornadiene)rhodium (I) tetrafluoroborate, is researched, Molecular C14H8BF4Rh, CAS is 36620-11-8, about Highly chemo- and enantioselective Rh-catalyzed hydrogenation of β-sulfonyl-α,β-unsaturated ketones: Access to chiral γ-ketosulfones. Author is Liu, Gang; Yin, Congcong; Yang, Xuanliang; Li, Anqi; Wang, Minyan; Zhang, Xumu; Dong, Xiu-Qin.
Rh-catalyzed highly chemo- and enantioselective hydrogenation of β-sulfonyl-α,β-unsaturated ketones was first successfully developed. Remarkably, a variety of enantioenriched γ-ketosulfones were generated in good to high yields with excellent chemo/enantioselectivities (82-99% yields, >99:1 chemoselectivity, 88 to >99% ee). Moreover, the gram-scale asym. hydrogenation was carried out smoothly in 97% yield and 97% ee. Preliminary DFT computations furnished a reasonable explanation for the high chemoselectivity and enantioselectivity.
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Reference:
Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider