(1S,2E,4E,6S,7R,8Z,13R,16R,17S,21R,22R,23Z)-21-hydroxy-8-methoxycarbonyl-7-methoxymethoxy-6,13,16,20-tetramethyl-24-(methoxymethoxy)methyl-14-oxatricyclo[14.8.0.017,22]tetracosa-2,4,8,23-tetraen-15-one                                                                                                                                                              在
                                                                                                                                                                                 
盐酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 25.0h,
                                                                                                                以96%的产率得到(1S,2E,4E,6S,7R,8Z,13R,16R,17S,21R,22R,23Z)-7,21-dihydroxy-8-methoxycarbonyl-6,13,16,20-tetramethyl-24-hydroxymethyl-14-oxatricyclo[14.8.0.0
17,22]tetracosa-2,4,8,23-tetraen-15-one