(-)-(3aR,4R,6aS)-3,3a,4,6a-tetrahydro-4-(tert-butyldimethylsilyloxy)-6a-<(4-methoxy)phenyloxymethyl>3-(Z)-(2-propylidene)-2H-cyclopenta
furan-2-one 在
2-丙硫醇,锂盐 作用下,
以
四氢呋喃 为溶剂,
反应 48.0h,
以71%的产率得到(-)-(3aR,4R,6aS)-3,3a,4,6a-tetrahydro-4-(tert-butyldimethylsilyloxy)-6a-<(4-methoxy)phenyloxymethyl>3-(E)-(2-propylidene)-2H-cyclopentafuran-2-one