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Lipcznska-Kochany et al. Charge-transfer complexation with a new class of electron acceptors made of a tryptycenequinone unit. Chemistry Letters (1982), (7), pp 1075-8 (abstract).* P. Bartlett et al., Triptycene (9,l&o-Benzenoanthracene), J. Am. Chem. SOC. 64:2649-53, 1942. P. Bedworth et al., The Synthesis of a symmetrically substituted a-octa(isopentoxy)anthralocyanine, J. Chem. SOC. Chem. Commum. 1353-54, 1997. A. Begleiter et al., Characterization of L5178Y murine lymphoblasts resistant to quinone antitumor agents, Cancer Res. 48:1727-35, 1988. A. Brunmark et al., Redox and addition chemistry of quinoid compounds and its biological implications, Free Radical Biol. & Med. 7:435477, 1989. Criswell et al., Studies related to the conversion of 9,lO-anthraquinonens to anthracenes, J. Org. Chem. 39(6):770-774, 1974. J. Daub et al., Chirale elektronentransfer-aktive chinone mit triptycenteilstrukturen: Synthesekonzeption und eigenschaften, Chem. Ber. 121:2187-2194, 1988. A. Etienne, Dihydroxy-1.4 anthracene et derives alcoyles correspondants. Leur photooxydation et leur photodimerisation, SCance Du 1233-1235, 1955. R. Ganapathi et al., Modulation of doxorubicin-induced chromosomal damage by calmodulin inhibitors and its relationship to cytotoxicity in progessively doxorubicin-resistant tumor cells, Biochem. Pharmacology 40(7):1657-1662, 1990. S. Ham et al., Studies on menadione as an inhibitor of the cdc25 phoshatase, Bioorg. Chem. 25:33-36, 1997. D. Hamon et al., Reductive elimination of bromine from 2,34isubstituted 1,44ibromo-2-butenes by iodide ion: A convenient route to 2,3-bis[iodomethyl]-1,3-butadiene and related compounds, J. Chem. Soco Chem. Comm. 873-874, Nov. 1981. D. Hua, Syntheses of substituted 9,l&dihydro-9,10-[1,2] benzenoanthracene-1.4.5.8-tetraones. Unusual reactives with amines, Abstract of poster presented at ACS 36th Midwest Regional Meeting, Lincoln, Nebraska, Oct. 10-13, 2001. D. Hua et al., Syntheses and bioactivities of substituted 9,1&dihydro-9,10-[1,2]benzenoanthracene-1,4,5,8-tetraones. Unusual reactivities with amines, J. Org. Chem.