Citation: Z. Paryzek et J. Martynow, TETRACYCLIC TRITERPENES .16. SYNTHESIS OF 31-NORCUCURBITANE AND FUSIDANE DERIVATIVES IN THE SKELETAL REARRANGEMENTS OF 9,11-EPOXY-4-BETA-DEMETHYL-5-ALPHA-LANOSTANES, Journal of the Chemical Society. Perkin transactions. I, (2), 1996, pp. 201-207
Citation: Z. Paryzek et J. Martynow, TETRACYCLIC TRITERPENES .15. RING EXPANSION OF STEROIDAL ACYLOINS - YDROXY-14-ALPHA-METHYL-4-NOR-5-ALPHA-CHOLEST-8-ENE AND HYDROXY-14-ALPHA-METHYL-4-NOR-5-BETA-CHOLEST-8-ENE, Journal of the Chemical Society. Perkin transactions. I, (20), 1994, pp. 3047-3050
Citation: Z. Paryzek et J. Martynow, TETRACYCLIC TRITERPENES .15. RING EXPANSION OF STEROIDAL ACYLOINS - YDROXY-14-ALPHA-METHYL-4-NOR-5-ALPHA-CHOLEST-8-ENE AND HYDROXY-14-ALPHA-METHYL-4-NOR-5-BETA-CHOLEST-8-ENE, Journal of the Chemical Society. Perkin transactions. I, (20), 1994, pp. 3047-3050
Citation: J. Martynow et al., ENANTIOSELECTIVE CYCLOADDITION VIA A CHIRAL KETO-ESTER KETENE EQUIVALENT, Tetrahedron letters, 34(51), 1993, pp. 8201-8204