1,4-anhydro-2-deoxy-5-O-(methoxymethyl)-3-O-
-D-erythro-pent-1-enitol 、 2-(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 24.0h,
以53%的产率得到(2'R)-cis-2-<2',5'-dihydro-5'-<(methoxymethoxy)methyl>-4'-<oxy>-2'-furanyl>-1-methoxy-7,8,9,10-tetrahydrobenzonaphtho<1,2-b>pyran-6-one