16,18-dioxo-18-(thiophen-2-yl)-6,9,15-trioxa-3,12-dithiaoctadec-1-yl (2E)-3-(thiophen-2-yl)prop-2-enoate 在
manganese(III) triacetate dihydrate 作用下,
以
溶剂黄146 为溶剂,
以50%的产率得到(1R*,21aR*)-1,6,7,9,10,12,13,15,16,18,19,21a-dodecahydro-1,3-di(thiophen-2-yl)-4H,21H-furo[3,4-r][1,4,7,10,13,16]tetraoxadithiacycloicosine-4,21-dione