Benzoic acid (4R,4aS,4bS,8aS,9R,10aR)-9-hydroxy-4-methoxy-4a-methyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二甲基苯胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                生成                                                 Benzoic acid (4R,4aS,4bS,5R,8aS,9R,10aR)-5-acetoxy-9-(2-bromo-1-ethoxy-ethoxy)-4-methoxy-4a-methyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester