diazo-[2-(7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinoline-6-carbonyl)-3-methoxyphenyl]acetic acid methyl ester                                                                                                                                                              在
                                                                                                                                         rhodium(II) acetate dimer                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 0.25h,
                                                                                                                以75%的产率得到methyl 11-aza-8-methoxy-17,19-dioxa-10-oxopentacyclo[12.7.0.0
3,11.0
4,9.0
16,20]henicosa-1(21),4(9),5,7,14(15),16(20)-hexaene-3-carboxylate