作者:Stéphane Ciblat、Pascale Besse、Jean-Louis Canet、Yves Troin、Henri Veschambre、Jacques Gelas
DOI:10.1016/s0957-4166(99)00226-8
日期:1999.6
A highly diastereoselective intramolecular Mannich reaction involving enantiopure alpha-methylamine 7 and achiral aldehydes is employed to prepare enantiomerically pure 2,6-cis-disubstituted piperidines. This methodology provides an efficient and selective route to 2,6-cis-disubstituted piperidines, 2,6-cis-disubstituted 4-piperidones and 2,6-cis-disubstituted 4-piperidinols. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.