methyl (5S,6R,8R)-6-acetoxy-14-acetyl-2-formyl-5-methyl-13-oxo-5,6,7,8,14,15-hexahydro-13H-16-oxa-4b,8a,14-triaza-5,8-methanodibenzo[b,h]cycloocta[jkl]cyclopenta[e]-as-indacene-6-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate   、                                                                                                  camphor-10-sulfonic acid   、                                                                                                  
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷   、                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 methyl (15S,16R,18R)-10-(ethylsulfanylmethyl)-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.115,18.02,6.07,27.08,13.019,26.020,25]octacosa-1,6,8(13),9,11,20,22,24,26-nonaene-16-carboxylate