Alejandro Castro -C., Jorge Juárez -P., D. Gnecco
Mar 7, 2005
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Journal
Tetrahedron-asymmetry
Abstract
Abstract An efficient oxidation of (2′ R )-(−)-2′-phenyl-2′-(piperidin-1-yl)ethanol 2 with bromine to generate the corresponding piperidin-2-one 3 in 96% is described. In addition, starting from 3 , (2′ S ,3 R )-(+)-stenusine 8 was synthesized in 70% overall yield. The X-ray analysis of piperidine 6 ·HCl is also reported.