6-(-Tetrahydropyranyloxy)-8-<3-oxo-7-(2-terahydropyranyloxy)-2-oxa-6-bicyclo<3.3.0>octyl>-7-octensaeure-1-m-chlorphenyl-1-methylethylester 在
红铝 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以100%的产率得到(E)-8-[(3aS,5S,6aR)-2-Hydroxy-5-(tetrahydro-pyran-2-yloxy)-hexahydro-cyclopenta[b]furan-4-yl]-6-(tetrahydro-pyran-2-yloxy)-oct-7-enoic acid 1-(3-chloro-phenyl)-1-methyl-ethyl ester