1,3-环己二酮   、                                                                                      
2-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)-3-ethoxybenzaldehyde                                                                                                                                                              在
                                                                                                                                                                                 
ammonium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以70%的产率得到[(2R,3R,4S,5R,6S)-3,4,5-triacetyloxy-6-[2-(1,8-dioxo-2,3,4,5,6,7,9,10-octahydroacridin-9-yl)-6-ethoxyphenoxy]oxan-2-yl]methyl acetate