Asymmetric synthesis of chiral spirocyclanes: A new route to the optically active spiro[cyclopentane-1,1′-indan]-2,5-dione system

Article abstract of DOI:10.1016/0040-4039(96)00126-8

A new route to the optically pure spiro[cyclopentane-1,1′-indan]-2,5-dione system, which is supposed to be valuable for the asymmetric synthesis of optically active fredericamycin A, has been developed through a stereospecific rearrangement of the trans-α