(R)-4-(2-(2-(2-methylpyrrolidin-1-yl)ethyl)-1-oxo-1,2,3,4-tetrahydro-isoquinolin-6-yloxy)benzoic acid   、                                                                                      
四氢吡咯                                                                                                                                                                                              以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以2-{2-[(2R)-2-methylpyrrolidin-1-yl]ethyl}-6-[4-(pyrrolidin-1-ylcarbonyl)phenoxy]-3,4-dihydroisoquinolin-1(2H)-one was obtained as a white foam, [α]D25=−27° (1% solution in methanol), (ES) m/z 448.2 [M+H]+的产率得到2-{2-[(2R)-2-methylpyrrolidin-1-yl]ethyl}-6-[4-(pyrrolidin-1-ylcarbonyl)phenoxy]-3,4-dihydroisoquinolin-1(2H)-one