作者:Matthew T. Allingham、Andrew Howard-Jones、Patrick J. Murphy、Dafydd A. Thomas、Peter W.R. Caulkett
DOI:10.1016/j.tetlet.2003.09.162
日期:2003.11
The preparation of the tetracyclic C-2-symmetric guanidinium salts 5 and 11-13 is reported together with their application to enantioselective transformations. (C) 2003 Elsevier Ltd. All rights reserved.