(5S,7R,9R)-11-diazo-5-ethyl-15,18-bis(methoxymethoxy)-7-(2,4,6-trimethylphenyl)-3-trimethylsilyloxy-6,8-dioxapentacyclo[10.8.0.02,10.05,9.014,19]icosa-1(12),2(10),3,14,16,18-hexaene-13,20-dione 在
manganese(III) tris(hexafluoroacetylacetonate) 作用下,
以
苯 为溶剂,
反应 0.02h,
以36%的产率得到(2R,2'R,3aS,3'aS,4S,4'S,12bR,12'bR)-12,12'-bis(diazo)-3a,3'a-diethyl-2,2'-dimesityl-7,7',10,10'-tetrakis(methoxymethoxy)-12,12b,12',12'b-tetrahydro-4H,4'H-[4,4'-bibenzo[6,7]fluoreno[1,2-d][1,3]dioxole]-5,5',6,6',11,11'(3aH,3'aH)-hexaone