22 results on '"Tsupak, E. B."'
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2. Pyrano[4,3-d]pyrimidinium salts 4. Transformations of 5,7-diaryl-1,3-dimethyl-2,4-dioxo-1H,3H-pyrano[4,3-d]pyrimidinium bromides under the action of phenylhydrazines and aromatic acid hydrazides
3. Pyrano[4,3-d]pyrimidinium salts 3. Reactions of 1,3-dimethyl-2,4-dioxo-1H,3H-pyrano[4,3-d]pyrimidinium salts with azomethines
4. Pyrano[4,3-d]pyrimidinium salts: 2. Reactions of 1,3-dimethyl-2,4-dioxopyrano[4,3-d]pyrimidinium salts with hydrazine
5. Pyrano[4,3-d]pyrimidinium salts: 1. Reactions with N-nucleophiles
6. [3,4]-annulated pyrroles 1. Polynuclear heterocyclic systems based on pyrrolo[3,4-d]pyrimidine-2,4-dione
7. Pyrrolopyrimidines. 5. Reaction of 6-Amino-1,3-dimethylpyrrolo[3,4-d]pyrimidine-2,4(1H,3H)-diones with 1,3-Diketones
8. 5-Diazouracils in Azo Coupling Reactions
9. Pyrrolopyrimidines. 4. A convenient method for the production of 6-(2-aminovinyl)-5-nitropyrimidines and their transformation into pyrrolo[3,2-d]pyrimidines
10. Pyrrolopyrimidines. 3. 5-Amino-1,3-dimethylpyrrolo-[3,2-d]pyrimidine-2,4-dione
11. 3,4-Diacetylhexane-2,5-dione—an effective synthon for synthesis of substituted azulene heteroanalogs by cyclocondensation reactions
12. Pyrrolopyrimidines. 2.* Synthesis and oxidative conversions of 5-amino-1,3-Dimethylpyrrolo[3, 2-d]pyrimidine-2, 4-diones
13. Pyrrolopyrimidines. 1. Electrophilic substitution reactions of 1,3-dimethylpyrrolo[3,2-d]pyrimidine-2,4-dione
14. Structure and Reactivity of Uracil Derivatives. 2. Ambident Nucleophilic Reactivity of 5-Diazouracil
15. Organolithium and organosodium compounds of n-substituted 2-alkylbenzimidazoles
16. Free-radical hydroxymethylation of benzimidazole
17. Investigation of benzimidazole derivatives: XXVIII. Synthesis of some 3-[2′-benzimidazolyl]isoxazoles
18. Investigations of benzimida zole derivatives: XXIII. Reaction of 2-aminomethylbenzimidazole and its 1-methyl derivative with nitrous acid
19. Research on benzimidazole derivatives. XXXVII. 2-Benzazolonitrile oxides
20. Synthesis of 2-nitromethylbenzimidazoles
21. Free radical alkyldesulfonation of benzimidazole-2-sulfonic acid
22. The reaction of 2-aminomethylbenzimidazole with nitrous acid
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