SYNTHETIC COMMUNICATIONS, 18(7), 699-710 (1988) A KEY INTERMEDIATE FOR THE SYNTHESIS OF ANTITUMOR LIGNAN PROTOTYPES JL Belletire*, S. L. Fremont, DF Fry Department of Chemistry University of Cincinnati Cincinnati, Ohio 45221-0172 ... Rao, CB S., “Chemistry of Lignans”, Andhra University Press, Andhra Pradish, 1978. Belletire, J. L., Fremont, S. L., Tetrahedron Lett., 1986,27,127. Belletire, J. L., Fry, DF, J. Org. Chem., 1987,52,2549. ...