(R)-2-Diazo-3-{(4R,5S)-5-[(R)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-3-hydroxy-propionic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以92%的产率得到(3aR,4R,7S,7aR)-4-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-6,7-dihydroxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-carboxylic acid ethyl ester