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2. Synthesis of 4,7-dihydro[1,2,4]triazolo-[1,5-a]pyrimidine-6-sulfonamide derivatives
3. Synthesis and Recylization of 2,3,9,10-Tetrahydro-8H-[1,4]Dioxino[2,3-f]-[1,3]Thiazino[3,2-a]Benzimidazolium Salts
4. Synthesis and Alkylation of Diethyl 6-Aryl-2-Oxo-1,2,3,6-Tetrahydropyrimidine-4,5-Dicarboxylates
5. Formation of 3,4,5,6-tetrahydroquinazolin-2(1H)-one derivatives in reaction of 4-aryl-6-methyl-3,4-dihydro-pyrimidin-2(1H)-ones with chalcones
6. trans-Stereoselective Reduction of Hexahydroquinazoline-2(1H)-thione Derivatives
7. Reactions of ketene aminals with n-arylmaleimides and dimethyl acetylenedicarboxylate, a direct pathway to derivatives of pyrrolo[1,2-a]imidazole and imidazo[1,2-a]pyridine
8. Carbo[3 + 3] cyclocondensation reactions. A new method for the synthesis of tetrahydropyrazolo[1,5-b]quinazolines and tetrahydropyrazolo[4,5-b]quinolines
9. Formation enthalpies of organic oxygen-containing heterocyclic radicals
10. Thiazole analogs of chalcones, capable of functionalization at the heterocyclic nucleus
11. Recyclization of benzimidazo[2,1-b]thiazanium salts into 1-(2,3-epithiopropyl)benzimidazol-2-ones under the action of epichlorhydrin
12. Polycyclic systems containing 1,2,4-oxadiazole ring 2. 4-(1,2,4-Oxadiazol-5-yl)pyrrolidin-2-ones: Synthesis and prediction of biological activity
13. Investigation of the Structure of 5-R-3-Aryl-2,1-benzisoxazoles (Anthranils) Using 1H NMR Spectroscopy
14. Crystal and Molecular Structure of 2,4-Dimethylthieno[3,4-b]-1,5-diazepinium Chloride
15. Investigation of the products of interaction of cyclic diketones with nitrogen-containing 1,4-binucleophiles
16. Synthesis and Rotamerism of 9,10-Diarylsubstituted 1,2,3,4,5,6,7,8,9,10-Decahydroacridine-1,8-Diones
17. Chemistry of nitrogen-containing heterocycles
18. Cyclocondensation of 2-Aminobenzimidazole with Dimedone and Its Arylidene Derivatives
19. Reaction of 1,2-Diamino-4,5-diphenylimidazole with 1,3-Diarylpropenones and Their Dibromo Derivatives
20. Reaction of 3-Benzoyl-2,3-dibromopropionic Acid with Substituted ortho-Phenylenediamines
21. The Reaction of Benzoylacrylic Acid with ortho-Phenylenediamines
22. Partially Hydrogenated Aromatic Substituted Tetrazolo[1,5-a]pyrimidines
23. Synthesis and Study of Aromatic Derivatives of 5,6-Dihydro-4-pteridinol
24. 2,3-Diamino-5-aryl-7-(4-nitrophenyl)-1,2,4-triazolo[1,5-a]pyrimidinium-6-olates
25. Cyclocondensation of 3-Amino-1,2,4-triazoles with Esters of Substituted Cinnamic Acids and Aromatic Unsaturated Ketones
26. 1,2,3,4-Tetrahydropyrimido[1,2-a]benzimidazol-2- and -4-Ones
27. Synthesis of dihydro derivatives of 2-amino-4,5,7-triarylimidazo[1,5-b]pyridazine
28. Reaction of 5,6-diamino-1,3-dimethyluracil with arylideneacetones and arylidenecyclanones
29. Aryl-substituted 1,10b-dihydro-5H-pyrazolo[1,5-c]-1,3-benzoxazines
30. Stable 1,2,4-triazolo[1,5-a]-pyrimidinium salts
31. Imine-enamine tautomerism of dihydroazolopyrimidines. 6. Synthesis and tautomerism of thienyl derivatives of dihydro-1,2,4-triazolo-[1,5-a]pyrimidines
32. Reaction of arylidene derivatives of Meldrum's acid with 3-amino-1,2,4-triazole
33. Synthesis of derivatives of 5-(4,5-dihydro-1H-3-pyrazolyl)-3,4-dihydro-2(1H)-pyrimidone
34. 5-thiazolyl derivatives of 4-aryl-3,4-dihydropyrimidin-2(1H)-ones
35. Synthesis of 2-amino-4,5,7-triarylimidazo[1,5-b]pyridazines
36. 2-pyrazolines on the basis of diarylidene-cyclohexanones. Synthesis and stereochemistry of N-thiocarbamoyl and N-thiazolyl derivatives
37. New reactions of cyclization and recyclization of derivatives of 1,3-dimethyl-5,6-diaminouracil
38. Reaction of 4-nitro-1,2-phenylenedl4mine with 1-(4-R-phenyl)-3-(4-nitrophenyl)propenones
39. Synthesis of aromatic derivatives of 1,5-benzodiazepine in the reaction of 4-nitro-o-phenylenediamine with chalcone dibromides
40. Structure of the products of the reaction of 5,6-diamino-1,3-dimethyluracil with 1,3-diaryl-2, 3-dihalopropanones
41. Aziridinylketones and their cyclic anils. 12
42. Synthesis and structure of 4,5,6,7-tetrahydro-1,2,4-triazolo[1,5-a]pyrimidines
43. Cyclocondensation of 4-hydroxy-5,6-diaminopyrimidine with α,β-dihalochalcones
44. Imine-enamine tautomerism of dihydroazolopyrimidines 5. Steric effects and the tautomeric equilibrium for dihydro-1,2,4-triazolo[1,5-a]pyrimidines
45. 3-Hydroxypyrimido[1,2-a]benzimidazoles
46. Three component condensation of 3-amino-1,2,4-triazole with carbonyl compounds. A new synthesis of 1,2,4-triazolo[1,5-a]pyrimidines
47. Pyrazolines — Derivatives of 2-nitrochalcone
48. Synthesis and oxidation of aromatic substituted 6,7-dihydropyrazolo[1,5-a]pyrimidines
49. 3-N-ACYLATION of 5-ETHOXYCARBONYL-6-METHYL-4-PHENYL-3,4-DIHYDROPYRIMIDIN-2-ONE
50. Nitroazines. 19. Prototropic tautomerism in 6-nitro-7-oxo-4,7-dihydro-1,2,4-triazolo[5,1-c][1,2,4]triazines
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