Category: quinuclidine. 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 Double Asymmetric Hydrogenation of α-Iminoketones: Facile Synthesis of Enantiopure Vicinal Amino Alcohols. Author is Wang, Jiang; Lin, Xin; Shao, Pan-Lin; Song, Jingyuan; Wen, Jialin; Zhang, Xumu.
This study presents an Rh/DuanPhos-catalyzed double asym. hydrogenation of α-iminoketones R1C(O)C(=NPMP)R2 (R1 = Ph, 1-naphthyl, 2-thienyl, etc.; R2 = Ph, 2-naphthyl, 2-thienyl, etc.) for accessing chiral vicinal amino alcs., (1R,2S)-R1C(OH)C(NHPMP)R2 which are privileged motifs in pharmaceuticals, agrochems., fine chems., chiral auxiliaries, organocatalysts, etc. Compared with existing methods, this methodol. has the following advantages, such as one-pot operation, high efficiency, operational simplicity, limited waste, broad reaction scope, and high yields (90 to 96%) and stereoselectivities (up to >99:1 dr; >99.9% ee). In addition, the mechanism of the transformation was revealed to be a stepwise reaction by isolating and analyzing reaction intermediates.
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Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider