名称:
                                Regioselective Heteroannelation in 4-Cyanomethyl-3,5-pyridinedicarbonitriles. Synthesis of 6-Alkoxy-3-dialkylamino-1,8-diamino-2,7-naphthyridine-4-carbonitriles
                             
                            
                                摘要:
                                The title naphthyridines were found to be the sole products obtained after treatment of 2-amino-4-cyanomethyl-6-dialkylamino-3,5-pyridinedicarbonitriles with alkoxides. The starting pyridine derivatives were prepared by amination of the readily available 2-amino-6-chloro-4-cyanomethyl-3,5-pyridinedicarbonitrile in quantitative yields.
                             
                                                            
                                    DOI:
                                    10.1007/s00706-003-0006-4