WO2005104264-A1  CHARLES K. BRADSHER, LEO E. BEAVERS, N. TOKURA: "Aromatic Cyclodehydration. XXXIII. 2,7-Disubstituted Phenanthrenes" JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Bd. 78, 1956, Seiten 3196-3198, XP002339238;  LEE C. WASHBURN, D.E. PEARSON: "Potential Antimalarials. 8. Some 10-Substituted 9-Phenanthrenemethanols" JOURNAL OF MEDICINAL CHEMISTRY, Bd. 17, Nr. 7, 1974, Seiten 676-682, XP002339239;  V. N. BOCHENKOV: "Synthesis of some 2,7- and 2,5-Disubstituted Phenanthrenes" JOURNAL OF ORGANIC CHEMISTRY OF THE USSR, Bd. 12, 1976, Seiten 2355-2357, XP009051835;  WELDON G. BROWN, BEN A. BLUESTEIN: "Conversion of 2,7-Dibromofluorene to 2,7-Dibromophenanthrene" JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Bd. 65, 1943, Seiten 1235-1236, XP002339237EP1741149-B1  CHARLES K. BRADSHER, LEO E. BEAVERS, N. TOKURA: "Aromatic Cyclodehydration. XXXIII. 2,7-Disubstituted Phenanthrenes" JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Bd. 78, 1956, Seiten 3196-3198, XP002339238;  LEE C. WASHBURN, D.E. PEARSON: "Potential Antimalarials. 8. Some 10-Substituted 9-Phenanthrenemethanols" JOURNAL OF MEDICINAL CHEMISTRY, Bd. 17, Nr. 7, 1974, Seiten 676-682, XP002339239;  V. N. BOCHENKOV: "Synthesis of some 2,7- and 2,5-Disubstituted Phenanthrenes" JOURNAL OF ORGANIC CHEMISTRY OF THE USSR, Bd. 12, 1976, Seiten 2355-2357, XP009051835;  WELDON G. BROWN, BEN A. BLUESTEIN: "Conversion of 2,7-Dibromofluorene to 2,7-Dibromophenanthrene" JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Bd. 65, 1943, Seiten 1235-1236, XP002339237US7947382-B2  PCT International Search Report and Written Opinion for International Application No. PCT/US04/37054 filed Nov. 5, 2004.;  Brown, W. G. et al., "Conversion of 2,7-Dibromofluorene to 2, 7-Dibromophenanthrene", Journal of the American Chemical Society 65 (1943), pp. 1235-1236.;  Bochenkov, V. N., "Synthesis of Some 2,7- and 2,5-Disubstituted Phenanthrenes", Journal of Organic Chemistry of the USSR 12 (1976), pp. 2355-2357.;  Washburn, L. C. et al., "Potential Antimalarials. 8. Some 10-Substituted 9-Phenanthrenemethanols", Journal of Medicinal Chemistry 17(7) (1974), pp. 676-682.;  Bradsher, C. K. et al., "Aromatic Cyclodehydration. XXXIII. 2, 7-Disubstituted Phenanthrenes", Journal of the American Chemical Society 78 (1956), pp. 3196-3198.CN1947275-B  CHARLES K.BRADSHER,LEO E.BEAVERS,N.TOKURA.Aromatic Cyclodehydration.XXXIII.2,7-DisubstitutedPhenanthrenes.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY78.1956,783196-3198.;  LEE C. WASHBURN, D.E.Potential antimalarials.8.Some 10-substituted9-Phenanthrenemethanols.JOURNAL OF MEDICINAL CHEMISTRY17 7.1974,17(7),676-682.;  WELDONG.BROWN BEN A.BLUESTEIN.Conversion of 2