Synthesis of (Z) and (E) α-alkenyl phosphonic acid derivatives of purines and pyrimidines
                                
                                    
                                        作者:H.B. Lazrek、A. Rochdi、H. Khaider、J.-L. Barascut、J.-L. Imbach、J. Balzarini、M. Witvrouw、C. Pannecouque、E. De Clercq                                    
                                    
                                        DOI:10.1016/s0040-4020(98)00107-0
                                    
                                    
                                        日期:1998.4
                                    
                                    (Z) and (E)-2-(purin-9-yl/pyrimidin-1-yl)ethylen-1-ylphosphonic acid 10-18 were synthetized by Michael addition of heterocyclic base with the diethylethynylphosphonate and deprotection of the acyclic nucleoside phosphonate with bromotrimethylsilane. (C) 1998 Elsevier Science Ltd. All rights reserved.