(S)-1-{5-[2-(2,2-Dimethyl-propionylamino)-4-oxo-3,4-dihydro-pyrido[2,3-d]pyrimidin-6-ylethynyl]-thiophene-2-carbonyl}-azetidine-2-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                            50.0 ℃
                                                                                                                            、344.73 kPa
                                                                                条件下,
                                                                                                                                                    以67%的产率得到(S)-1-(5-{2-[2-(2,2-Dimethyl-propionylamino)-4-oxo-3,4,5,6,7,8-hexahydro-pyrido[2,3-d]pyrimidin-6-yl]-ethyl}-thiophene-2-carbonyl)-azetidine-2-carboxylic acid methyl ester