{4,5-Dihydroxy-3-[(R)-1-((1S,2S)-2-hydroxy-1-methyl-propoxy)-3,4-dioxo-pentyl]-9,10-dioxo-9,10-dihydro-anthracen-2-yl}-acetic acid 2-trimethylsilanyl-ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
敌草腈                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以61%的产率得到(1S,2R,4R)-2-Acetyl-2,5,7-trihydroxy-4-((1S,2S)-2-hydroxy-1-methyl-propoxy)-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacene-1-carboxylic acid 2-trimethylsilanyl-ethyl ester