7-cyclopropanesulfonyl-4,17,20-trimethyl-2-(4-oxo-3,4-dihydro-quinazolin-6-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione                                                                                                                                                                                              以
                                                                                         
甲醇   、                                                                                         
乙醇   、                                                                                         
正庚烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.24h,
                                                                                                                以40%的产率得到(R)-7-cyclopropanesulfonyl-4,17,20-trimethyl-2-(4-oxo-3,4-dihydro-quinazolin-6-ylamino)-13-oxa-4,11-diaza-tricyclo[14.2.2.1(6,10)]henicosa-1(19),6,8,10(21),16(20),17-hexaene-3,12-dione