tert-butyl (R,S)-ethyl[(1E)-1-{4-[(2-ethyl-7-{ethyl[(2-methyl-2H-tetrazol-5-yl)methyl]carbamoyl}-indolizin-3-yl)carbonyl]phenyl}-4-methylpent-1-en-3-yl]carbamate                                                                                                                                                              在
                                                                                                                                                                                 palladium 10% on activated carbon   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以81%的产率得到tert-butyl (R,S)-ethyl[1-{4-[(2-ethyl-7-{ethyl[(2-methyl-2H-tetrazol-5-yl)methyl]carbamoyl}indolizine-3-yl)carbonyl]phenyl}-4-methylpentan-3-yl]carbamate