References

  • 1. Babaev E.V. - Combinatorial Models and Polarity Control Rules in Heterocyclic Design. In: Targets in Heterocyclic Systems - Chemistry and Properties, Eds. Attanasi O.A., Spinelli D., Societa Chimica Italiana, Rome, 1997. pp. 105-138.
  • 2. Lushnikov D.E., Babaev E.V. - Molecular design of heterocycles. 4. Computers in heterocyclic chemistry (Review). - Chem. Heteroc. Compounds (Engl. Transl.), 1993, Vol.29, N 10, pp.1111-1128. Original (Russ.): Khim. Geterotsikl. Soedin., pp. 1299-1321.
  • 3. Babaev E.V., Lushnikov D.E., Zefirov N.S. - Novel graph-theoretical approach to ring-transformation reactions: hierarchic classification and computer design of heterocyclic rearrangements. - J. Amer. Chem. Soc., 1993, 115(6), pp. 2416-2427.
  • 4. Babaev E.V., Zefirov N.S. - Ring-transformation graphs in heterocyclic chemistry (Review). - Bull. Soc. Chim. Belg., 1992, 101(1), pp. 67-84.
  • 5. Babaev E.V., Zefirov N.S. - Ring transformation graphs and their application to degenerate heterocyclic rearrangements. - J. Math. Chem. 1992, N 11, pp. 65-78.
  • 6. Babaev E.V., Zefirov N.S. - Molecular design of heterocycles. 1. Recyclization graphs and the structural hierarchy of the transformations of heterocycles. - Chem. Heteroc. Compounds (Engl. Transl.), 1992, N 6, pp. 671-689. Original (Russ.): Khim. Geterotsikl. Soedin., pp. 808-820.
  • 7. Maiboroda D.A., Babaev E.V. - Ring-cleavage reactions in the series of azoloazines with a bridging nitrogen atom. - Chem. Heteroc. Compounds (Engl. Transl.), 1995, Vol.31, N 11, pp.1251-1279. Original: Khim. Geterotsikl. Soedin. (Rus.), pp. 1445-1478.
  • 8. Maiboroda D.A., Babaev E.V., Jug K. - On the Alternation Effect in Substituted Indolizines and their Aza-analogs. J. Org. Chem., 1997, 62(21), 7100-7105.
  • 9. Babaev E.V., Pasichnichenko K.Yu., Maiboroda D.A. - Ambident properties of the oxazolo[3,2-a]pyridinium cation in reactions with nucleophiles: forecast and experiment. - Khim. Geterotsikl. Soedin. (Rus.), 1997, N3, pp. 397-402.
  • 10. Babaev E.V., Bozhenko S.V., Maiboroda D.A., Rybakov V.B., Zhukov S.G. - Unexpected Ring Opening of Oxazolo[3,2-a]pyridinium Cation in Reaction with MeONa. Bull. Soc. Chim. Belg., 1997, 106(11), pp. 631-638.
  • 11. Maiboroda D.A., Babaev E.V., Goncharenko L.V. - Synthesis, spectral and pharmacological properties of 1-amino-4-[5-arylazolyl-2]butadienes-1,3. Russ. Khim.-Pharm. Zhurn. (Rus.), 1998, N6, pp.24-28.
  • 12. Babaev E.V., Zefirov N.S. - Strategy and tactics of computer-assisted forecast of novel recyclizations in the series of azolopyridines with bridgehead nitrogen atom. Chem. Heteroc. Compounds (Engl. Transl.), 1996, Vol.32, N 11-12, pp.1344-1357. Original: Khim. Geterotsikl. Soedin. (Rus.), 1996, N11-12, pp. 1564-1580.
  • 13. Babaev E.V., Bozhenko S.V., Maiboroda D.A. - Synthesis of 1-nitro-2-phenylindolizine by the ring transformation of oxazolo[3,2-a]pyridinium salt in the reaction with nitromethane. - Russ. Chem. Bull. (Engl.Transl.), 1995, Vol.44, N11, p.2203. Original: Izv. Akad. Nauk, Ser. Khim., pp. 2298-2299.
  • 14. Babaev E.V., Bozhenko S.V. - Synthesis of the indolizine ring by transformation of the oxazolo[3,2-a]pyridinium cation when treated with acetylacetone. Chem. Heteroc. Compounds (Engl. Transl.), 1997, Vol.33, N 1, pp.125-126. Original: Khim. Geterotsikl. Soedin. (Rus.), 1997, N1, pp. 141-142.
  • 15. Babaev E.V., Efimov A.V., Maiboroda D.A., Jug K. - Unusual Ambident Behavior and Novel Ring Transformation of Oxazolo[3,2-a]pyridinium Salts. Eur. J. Org. Chem. 1998, N1, pp.193-196.
  • 16. Babaev E.V., Efimov A.V. - Novel approach to synthesis of indolizine nucleus and the class of 5-aminoindolizines via recyclization of 5-methyloxazolo[3,2-a]pyridinium cation: the next confirmation of computer forecast. Khim. Geterotsikl. Soedin. (Rus.), 1997, N7, pp.998-100.
  • 17. Babaev E.V., Orlova I.A. - Novel synthesis of oxazolo[3,2-a]pyridinium cation by recyclization of its mesoionic precursor: confirmation of computer forecast. Khim. Geterotsikl. Soedin. (Rus.), 1997, 1997, N4, pp.569-571.
  • 18. Babaev E.V., Tsisevich A.A. - Unexpected recyclization of pyridinium salt to oxazole. Khim. Geterotsikl. Soedin. (Rus.), 1998, N2, pp.278-279.
  • 19. Babaev E.V., Tsisevich A.A. - to be published.
  • 20. Babaev E.V., Bobrovskii S.I., Bundel Yu.G. - Recyclization of 2-phenyl-6(8)-nitro-3-trifluoracetyl-indolizine forming 3-phenyl-5(7)-nitroindole-2-carboxylic acid. - Chem. Heteroc. Compounds (Engl. Transl.), 1988, 11, p. 1307. Original (Russ.): Khim. Geterotsikl. Soedin., pp. 1570-1571.
  • 21. Babaev E.V. - Pi-amphoteric heterocycles. - Bull. Soc. Chim. Belg., 1992, 101(9), pp. 823-824.
  • 22. Babaev E.V., Torocheshnikov V.N., Bobrovsky S.I. - NMR spectra of indolizines and their sigma-complexes. - Chem. Heteroc. Compounds (Engl. Transl.), 1995, Vol.31, N 9, pp.1079-1087. Original: Khim. Geterotsikl. Soedin. (Rus.), pp. 1235-1244.