名称:
                                Access to 11β-ethynyl-androst-5-ene
                             
                            
                                摘要:
                                11beta-Hydroxy-11alpha-alkynyl-steroids were prepared from a protected adrenosterone. The use of the radical deoxygenation of an oxalate moiety gave access to 11beta-ethynyl-androst-5-ene with 100% de. (C) 2005 Published by Elsevier Ltd.
                             
                                                            
                                    DOI:
                                    10.1016/j.tetlet.2004.12.082