(S)-2-[7-(2-Amino-4-oxo-3,4-dihydro-quinazolin-6-yl)-6-formyl-heptanoylamino]-pentanedioic acid di-tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇   、                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 10.08h,
                                                                                                                生成                                                 (6RS)-N-[7-(2-amino-3,4-dihydro-4-oxo-quinazolin-6-yl)-6-hydroxymethyl-1-oxo-1-heptyl]-L-glutamic acid trifluoroacetate