Ring expansion of 2-chloromethylbenzothiazole: Synthesis of heteroarylalkylidene 1,4-benzothiazines
                                
                                    
                                        作者:Saverio Florio、Luigino Troisi、Vito Capriati                                    
                                    
                                        DOI:10.1016/0040-4039(95)00111-o
                                    
                                    
                                        日期:1995.3
                                    
                                    the title heteroarylalkylidene dihydro-1,4-benzothiazines 7 have been prepared from heteroarylalkyllithiums 4 and 2-chloromethylbenzothiazole 1.