(3'R,4S,6'R,7'S,8'E,11'S,12'R)-7-chloro-7'-methoxy-11',12'-dimethyl-13',13',15'-trioxospiro[2,3-dihydro-1H-naphthalene-4,22'-20-oxa-13lambda6-thia-1,14-diazatetracyclo[14.7.2.03,6.019,24]pentacosa-8,16(25),17,19(24)-tetraene]-7'-carbaldehyde   、                                                                                      
7-methyl-5-oxa-2,7-diazaspiro[3.4]octan-6-one                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺   、                                                                                                  
三乙酰氧基硼氢化钠                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 58.17h,
                                                                                                                生成                                                 (1S,3’R,6’R,7’S,8’E,11’S,12’R)-6-chloro-7’-methoxy-11‘,12’-dimethyl-7’-((7-methyl-6-oxo-5-oxa-2,7-diazaspiro[3.4]oct-2-yl)methyl)-3,4-dihydro-2H,15’H-spiro[naphthalene-1,22’-[20]oxa[13]thia[1,14]diazatetracyclo[14.7.2.0~3,6~.0~19,24~]pentacosa[8,16,18,24]tetraen]-15’-one 13’,13’-dioxide