Novel Synthesis of 7‐β‐D‐Ribofuranosyl‐7H‐1,2,4‐triazolo[3,4‐i]purines With Use of NBS

References

• Many , A. , Westerhousen‐Larson , A. , Kanbour‐Shakir , A. and Roberts , J. M. 1995 . Xanthine dehydrogenase/oxidase in human placenta: Protective enzyme activity inhibition is post translationally regulated . J. Soc. Gynecol. Investig. , 2 : 286
   Google Scholar
• Many , A. and Roberts , J. M. 1996 . Xanthine oxidase activity is present in human placenta . J. Soc. Gynecol Investig. , 3 : 221A
   Google Scholar
• Many , A. , Hubel , C. A. and Roberts , J. M. 1996 . Hyperuricemia and xanthine oxidase in preeclampsia, revisited . Int. J. Gynecol. Obstet. , 54 : 214
   Google Scholar
• Fields , M. , Lewis , C. G. and Lure , M. D. 1996 . Allopurinol, an inhibitor of xanthine oxidase, reduces uric acid levels and modifies the signs associated with copper deficiency in rats fed fructose . Free Radic. Biol. Med. , 20 : 595
   PubMed Web of Science ®Google Scholar
• Horiuchi , H. , Ota , M. , Nishimura , S. , Kaneko , H. , Kasahara , Y. and Ohta , T. 2000 . Allopurinol induces renal toxicity by impairing pyrimidine metabolism in mice . Life Sci. , 66 : 2051
   PubMed Web of Science ®Google Scholar
• Pancheva , S. N. and Venkova , T. 1996 . Allopurinol potentiates the activity of vidarabine against herpes simplex virus in vitro . Antivir. Res. , 30 : A47
   Google Scholar
• Tomohisa , N. , Hiroo , Y. , Toshihiko , A. , Sachiko , H. , Kenya , M. and Hitoshi , K. 1999 . Facile and general syntheses of 3‐and/or 5‐substituted 7‐β‐d‐ribofuranosyl‐7H[1,2,4]triazolo[3,4‐i]purines as a new class of potential xanthine oxidase inhibitors . Synthesis , 4 : 655
   Google Scholar
• Tomohisa , N. , Hiroo , Y. , Takayuki , F. , Kazuki , E. and Haruhiko , M. 1999 . Novel xanthine oxidase inhibitor studies. Part 2. Synthesis and xanthine oxidase inhibitory activities of 2‐substituted 6‐alkyl‐idenehydrazine‐ or 6‐arylmethylidenehydrazino‐7H‐purines and 3‐ and/or 5‐substituted 9H‐1,2,4‐triazolo[3,4‐i]purines . J. Chem. Soc., Perkin Trans. 1 , : 3117
   Google Scholar
• Guillot , N. , Viehe , H. G. , Tinant , B. and Declercq , J. P. 1990 . A mild and regiospecific synthesis of 3‐amino substituted triazolo‐[3,4‐c]‐pyrimidines by cyclisation of 4‐hydraazinopyrimidines with iminium chlorides and with n‐aryl phosgenimines . Tetrahedron , 46 : 3897
   Web of Science ®Google Scholar
• Junichi , S. and Fumio , S. 1992 . Facile synthesis of 9H‐s‐triazolo‐[3,4‐i]purin‐5(6H)‐ones . Tetrahedron Lett. , 33 : 3151
   Web of Science ®Google Scholar
• Giuliana , B. , Irene , G. , Oreste , L. , Clementina , M. and Valerio , S. 1999 . 1,2,3‐Triazolo[4,5‐e]‐1,2,4‐triazolo[3,4‐c]pyrimidines . J. Heterocycl. Chem. , 36 : 1195
   Web of Science ®Google Scholar
• Irena , M. and Bojan , V. 2001 . Synthesis of benzoylaminomethyl and aminomethyl substituted fused 1,2,4‐triazoles . Synth. Commun. , 31 : 1511
   Web of Science ®Google Scholar
• Anil , K. S. , Yasmin , M. , Kamal , R. A. and Om , P. 2003 . Hypervalent iodine mediated synthesis of 1‐aryl/hetryl‐1,2,4‐triazolo[4,3‐a]pyridines and 1‐aryl/hetryl 5‐methyl‐1,2,4‐triazolo[4,3‐a]quinolines as antibacterial agents . Eur. J. Med. Chem. , 38 : 533
   PubMed Web of Science ®Google Scholar
• Om , P. , Rajesh , K. S. , Devinder , K. and Shiv , P. S. 1995 . Hypervalent iodine in the synthesis of bridgehead heterocycles: A new synthesis of 3,5‐diarylthiazolo[2,3‐c]‐s‐triazoles . Synth. Commun. , 25 : 3363
   Web of Science ®Google Scholar
• Ahmad , S. S. and Sobhi , M. 2002 . Gomha. Egioselectivity in 1,5‐electrocyclization of N‐[as‐triazin‐3‐yl]nitrilimines. Synthesis of s‐triazolo[4,3‐b]‐as‐triazin‐7(8H)‐ones . Tetrahedron , 58 : 8559
   Web of Science ®Google Scholar