(3R,7S,7aR)-methyl 3-tert-butyl-7-(1,3-dithian-2-yl)-7-hydroxy-6,6-dimethyl-5-oxohexahydropyrrolo[1,2-c]oxazole-7a-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 10.0h,
                                                                                                                以80%的产率得到(3R,7R,7aR)-methyl 3-tert-butyl-(1,3-dithian-2-yl)-7-hydroxy-6,6-dimethyl-5-oxohexahydropyrrolo[1,2-c]oxazole-7a-carboxylate