A general approach to (5S,6R)-6-alkyl-5-benzyloxy-2-piperidinones: application to the asymmetric syntheses of neurokinin substance P receptor antagonist (-)-L-733,061 and (-)-deoxocassine期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A general approach to (5S,6R)-6-alkyl-5-benzyloxy-2-piperidinones: application to the asymmetric syntheses of neurokinin substance P receptor antagonist (-)-L-733,061 and (-)-deoxocassine

Authors:	Liu Liang-Xian Ruan Yuan-Ping Guo Zheng-Qing Huang Pei-Qiang

Affiliation:	Department of Chemistry and The Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, P. R. China.

Abstract:	A general approach to (5S,6R)-6-alkyl-5-benzyloxy-2-piperidinones based on the regio- and diastereoselective reductive alkylation of (S)-3-benzyloxyglutarimide 7 is described. This method opens an entrance to chiral nonracemic substituted 3-piperidinols. The versatility of the method is illustrated by the asymmetric syntheses of neurokinin substance P receptor antagonist L-733,061 (ent-1), (-)-deoxocassine (4), and an inhibitor of HIV proteases (5a).

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