N-[(5-chloro-2-hydroxyphenyl)methylidene]-4-methylbenzenesulfonamide   、                                                                                      
isopropyl 2,3-butadienoate                                                                                                                                                              在
                                                                                                                                                                                 
6'-N-methylformamide-β-ICD                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                生成                                                 isopropyl 6-chloro-2-methyl-4-(4-methylphenylsulfonamido)-4H-chromene-3-carboxylate   、                                                                                             
isopropyl 6-chloro-2-methyl-4-(4-methylphenylsulfonamido)-4H-chromene-3-carboxylate