1,4-anhydro-2-deoxy-5-O-(methoxymethyl)-3-O-
-D-erythro-pent-1-enitol   、                                                                                      4-(tri-n-butylstannyl)-1-methoxy-7,8,9,10-tetrahydrobenzonaphtho<1,2-b>pyran-6-one                                                                                                                                                              在
                                                                                                                                                                                 palladium diacetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以92%的产率得到(2'R)-cis-4-<2',5'-dihydro-5'-<(methoxymethoxy)methyl>-4'-<oxy>-2'-furanyl>-1-methoxy-7,8,9,10-tetrahydrobenzonaphtho<1,2-b>pyran-6-one