REFERENCES
- Isao , H. ; Shozo , T. Preparation of benzoxanthene derivatives exhibiting antiviral activity . PCT Int. Appl. WO 9842694 , 1998 , 129 , 260282 .
- Hideo , T. Jpn. Tokkyo. Koho. JP 56005480, 1981 ; Chem. Abstr. 1981 , 95 , 80922b .
- Poupelin , J. P. ; Saint-Rut , G. ; Foussard-Blanpin , O. ; Narcisse , G. ; Uchida-Ernouf , G. ; Lacroix , R. Synthesis and anti-inflammatory properties of bis (2-hydroxy-1-naphthyl) methane derivatives . Eur. J. Med. Chem. 1978 , 13 , 67 – 71 .
- Ion , R. M. ; Frackowiak , D. ; Planner , A. ; Wiktorowicz , K. Spectral analysis of the porphyrins incorporation into human blood . Acta Biochim. Pol. 1998 , 45 , 833 – 845 .
- Banerjee , A. ; Mukherjee , A. K. Chemical aspects of santalin as a histological stain . Stain Technol. 1981 , 56 , 83 – 85 .
- Knight , C. G. ; Stephens , T. Xanthene-dye-labelled phosphatidylethanolamines as probes of interfacial pH: Studies in phospholipid vesicles . Biochem. J. 1989 , 258 , 683 – 689 .
- Sen , R. N. ; Sarkar , N. The condensation of primary alcohols with resorcinol and other hydroxyl aromatic compounds . J. Am. Chem. Soc. 1925 , 47 , 1079 – 1091 .
- Ota , K. ; Kito , T. An improved synthesis of dibenzoxanthene . Bull. Chem. Soc. Jpn. 1976 , 49 , 1167 – 1168 .
- Khosropour , A. R. ; Khodaei , M. M. ; Moghannian , H. A facile, simple, and convenient method for the synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes catalyzed by p-TSA in solution and solvent-free conditions . Synlett 2005 , 955 – 958 .
- Rajitha , B. ; Kumar , B. S. ; Reddy , Y. T. ; Reddy , P. ; Sreenivasulu , N. Sulfamic acid: A novel and efficient catalyst for the synthesis of aryl-14H-dibenzo[a,j]xanthenes under conventional heating and microwave irradiation . Tetrahedron Lett. 2005 , 46 , 8691 – 8693 .
- Sarma , R. J. ; Baruah , J. B. One step synthesis of dibenzoxanthenes . Dyes Pigments 2005 , 64 , 91 – 92 .
- Das , B. ; Ravikanth , B. ; Ramu , R. ; Laxminarayana , K. ; Rao , B. V. Iodine catalyzed simple and efficient synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes . J. Mol. Catal. A: Chem. 2006 , 255 , 74 – 77 .
- Pasha , M. A. ; Jayashankara , V. P. Molecular iodine–catalyzed synthesis of aryl-14H-dibenzo[a,j]xanthenes under solvent-free condition. Bioorg. Med. Chem. Lett. 2007, 17, 621–623.
- Nagarapu , L. ; Kantevari , S. ; Mahankhali , V. C. ; Apuri , S. Potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O): A mild and efficient reusable catalyst for the synthesis of aryl-14H-dibenzo[a,j]xanthenes under conventional heating and microwave irradiation . Catal. Commun. 2007 , 8 , 1173 – 1177 .
- Bigdeli , M. A. ; Heravi , M. M. ; Mahdavinia , G. H. Wet cyanuric chloride catalyzed simple and efficient synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes . Catal. Commun. 2007 , 8 , 1595 – 1598 .
- Saini , A. ; Kumar , S. ; Sandhu , J. S. A new LiBr-catalyzed, facile and efficient method for the synthesis of 14-alkyl or aryl-14H-dibenzo[a,j]xanthenes and tetrahydrobenzo[b]pyrans under solvent-free conventional and microwave heating . Synlett 2006 , 1928 – 1932 .
- Bigdeli , M. A. ; Heravi , M. M. ; Mahdavinia , G. H. Silica-supported perchloric acid (HClO4-SiO2): A mild, reusable and highly efficient heterogeneous catalyst for the synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes . J. Mol. Catal. A: Chem. 2007 , 275 , 25 – 29 .
- Dabiri , M. ; Baghbanzadeh , M. ; Nikcheh , M. S. ; Arzroomchilar , E. Eco-friendly and efficient one-pot synthesis of aryl or alkyl-14H-dibenzo[a,j]xanthenes in water . Bioorg. Med. Chem. Lett. 2008 , 18 , 436 – 438 .
- Seyyedhamzeh , M. ; Mirzaei , P. ; Bazgir , A. Solwent-free synthesis of aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydro-xanthenes using silica sulfuric acid as catalyst . Dyes Pigments 2008 , 76 , 836 – 839 .
- Su , W. K. ; Yang , D. ; Jin , C. ; Zhang , B. Yb(OTf)3-catalyzed condensation reaction of β-naphthol and aldehyde in ionic liquids: A green synthesis of aryl-14H-dibenzo[a,j]xanthenes . Tetrahedron Lett. 2008 , 49 , 3391 – 3394 .