Stereoselective synthesis of optically active substituted piperidines and pyrrolidines from amino acid derivatives by titanium(II)-mediated intramolecular cyclization reaction
作者:Yuuki Takayama、Sentaro Okamoto、Fumie Sato
DOI:10.1016/s0040-4039(97)10261-1
日期:1997.12
A versatile and high-yielding synthesis of optically active substituted piperidines and pyrrolidines from amino acid derivatives employing titanium(II)-mediated intramolecular cyclization of bis-unsaturated carbonates was developed.
A versatile synthesis of (+)-deoxoprosopinine and (−)-deoxoprosophylline
作者:Enzo B. Arévalo-García、Juan Carlos Colmenares
DOI:10.1016/j.tetlet.2008.09.093
日期:2008.12
An efficient synthesis of(+)-deoxoprosopinine and (-)-deoxoprosophylline was achieved from N-benzyl-N-Boc serine derivatives (7) and (7). (C) 2008 Elsevier Ltd. All rights reserved.