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2005
Enantioselective syntheses
O 0031
Asymmetric Epoxidation of cis-β-Methylstyrenes Catalyzed by N-Aryl SubstitutOxazolidinone-Containing Ketones. A Beneficial Substituent Effect. — The
06- 032 ed
asymmetric epoxidation of cis-β-methylstyrenes is investigated in the presence of spirocyclic ketones (I) containing an oxazoline moiety. The observed substituent effects
suggest that the interaction of the aryl group in the olefin and the aryl group in the
ketone play an important role in the asymmetric induction. — (SHU, L.; SHI*, Y.;
Tetrahedron Lett. 45 (2004) 43, 8115-8117; Dep. Chem., Colo. State Univ.,
Fort Collins, CO 80523, USA; Eng.) — Mais
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