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Pyrimidine derivatives and related compounds. Part 47. A new synthesis of xanthines and pyrrolo[3,2-d ]pyrimidines by intramolecular cyclisation of 6-substituted 5-nitrouracil derivatives . Kosaku Hirota, Tadashi Sugiyama, Yukio Kitade, Shigeo Senda, Yoshifumi Maki
, J. Chem. Soc., Perkin Trans. 1
, 1984
, 583
A new purine synthesis . Fumio Yoneda, Kazuko Ogiwara, Michiko Kanahori, Sadao Nishigaki
, J. Chem. Soc. D
, 1970
, 1068
New synthesis of purines by the reaction of diethyl azodicarboxylate with 6-alkylaminouracils . Fumio Yoneda, Shigeru Matsumoto, Masatsugu Higuchi
, J. Chem. Soc., Chem. Commun.
, 1975
, 146
Synthesis of xanthines by cyclization of the Michael-type adducts from 6-aminouracils and diethyl azodiformate . Fumio Yoneda, Masatsugu Higuchi, Shigeru Matsumoto
, J. Chem. Soc., Perkin Trans. 1
, 1977
, 1754
A new synthesis of purines . Fumio Yoneda, Shiguru Matsumoto, Masatsugu Higuchi
, J. Chem. Soc., Chem. Commun.
, 1974
, 551
A new, general synthesis of purines . Fumio Yoneda, Tomohisa Nagamatsu
, J. Chem. Soc., Perkin Trans. 1
, 1976
, 1547
New synthesis of purines from the reaction of 6-amino-1,3-dimethyl-5-nitrosouracil with benzylidenetriphenylphosphoranes . Keitaro Senga, Hashime Kanazawa, Sadao Nishigaki
, J. Chem. Soc., Chem. Commun.
, 1976
, 155a
Organic chemistry . L. Crombie, V. Gold, N. M. Atherton, J. N. Murrell, D. J. Millen, R. F. M. White, B. Capon, C. W. Rees, C. J. Timmons, E. S. Waight, D. Bryce-Smith, J. D. Connolly, K. H. Overton, G. W. H. Cheeseman, J. D. Hobson, J. S. Whitehurst, D. H. Hutson, D. J. Manners, T. L. V. Ulbricht
, Annu. Rep. Prog. Chem.
, 1964
, 61
, 193