(3aR*,5aR*,6R*,8aS*,8bS*)-6-ethyl-1,2,5a,6,7,8,8a,8b-octahydro-7-methyl-as-indacen-3(3aH)-one 3-(dimethyl acetal) 在
盐酸 作用下,
反应 16.0h,
以89%的产率得到(3aR
*,5aS
*,6R
*,7R
*,8aS
*,8bS
*)-6-ethyl-1,2,5a,6c,7,8,8a,8b-octahydro-7-methyl-as-indacen-3(3aH)-one