(E)-6-[tert-butyl(diphenyl)silyl]oxyhex-4-enal   、                                                                                      C
40H
54BNO
4S                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以85%的产率得到(E)-(2R,3R)-8-(tert-Butyl-diphenyl-silanyloxy)-3-hydroxy-2-methyl-oct-6-enoic acid (1R,2S)-2-[benzyl-(2,4,6-trimethyl-benzenesulfonyl)-amino]-1-phenyl-propyl ester