methyl 2-[(2-methyl-4-oxo-4H-chromen-8-yl)methylene]-3-oxobutanoate   、                                                                                      
2-amino-6-methylhept-2-en-4-one                                                                                                                                                              在
                                                                                                                                                                                 
氩                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以Concentration of the fractions results in 36 mg (43% of theory) of the title compound as a white solid的产率得到Methyl 2,6-dimethyl-5-(3-methylbutanoyl)-4-(2-methyl-4-oxo-4H-chromen-8-yl)-1,4-dihydro-pyridine-3-carboxylate