89 results on '"Krivokolysko, S."'
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2. New possibilities of the Mannich reaction in the synthesis of N-, S,N-, and Se,N-heterocycles
3. Search for Anti-Inflammatory Agents in the Tetrahydropyrido[2,1-B ][1,3,5]-Thiadiazine Series
4. Synthesis and structure of new 3,7-diazabicyclo[3.3.1]nonane derivatives
5. Reaction of 3-Aryl-2-Cyanoprop-2-ene- Thioamides With Bromonitromethane: A new Method for the Synthesis of Functionalized 1,2,4-Thiadiazoles
6. Synthesis of Pyrido[1,2-a][1,3,5]Triazine Derivatives by Aminomethylation of 6-Amino-4-Aryl-2-Oxo-1,2-Dihydropyridine-3,5-Dicarbonitriles
7. Novel [4 + 2] Cycloaddition Reaction of Aryl-Methylidenemalononitriles to Unsaturated Chalcogen Amides. Synthesis, Structure, and Properties of Triethylammonium 3,5,5-Tricyano-1,4,5,6-Tetrahydropyridine-2-Selenolates and -Thiolates
8. Reaction of Cyanoselenoacetamide with 1,3-Dicarbonyl Compound Anilinomethylene Derivatives
9. Synthesis and Alkylation of N-Methylmorpholinium 4-Aryl-3-cyano-5-oxo-1,4,5,6,7,8-hexahydroquinoline-2-selenolates
10. Mannich reaction in the synthesis of N,S-containing heterocycles. 16.*Synthesis of derivatives of tetra-hydropyrido[1,2-a][1,3,5]triazine and 5,6,12,13-tetra-hydro-1H,8H-dipyrido[1,2-a:1',2'-e][1,3,5,7]tetrazocine
11. Chemistry of cyanoselenoacetamide (Review)
12. Oxidation of thioamides with the DMSO–HCl system: a convenient and efficient method for the synthesis of 1,2,4-thiadiazoles, isothiazolo-[5,4-b]pyridines, and heterocyclic disulfides
13. Aminomethylation of N-methylmorpholinium 6-amino-4-aryl-3,5-dicyano-1,4-dihydropyridine-2-selenolates as an approach to the preparation of 3,5,7,11-tetraazatricyclo[7.3.1.02,7]tridec-2-ene-8-selenone derivatives
14. Synthesis and aminomethylation of 9-aza-3-azoniaspiro[5,5]undeca-7,10-diene-8-selenolates
15. Unexpected result in the reaction of 3-amino-3-thioxopropanamides with 2-anilinomethylene derivatives of 1,3-dicarbonyl compounds. synthesis of pyrimidine-5-carboxamide derivatives
16. Synthesis of functionally substituted 1,2,4-selenadiazoles
17. Synthesis of pyrido[3',2':4,5]thieno[3,2-d]-[1,3,2]diazaphosphorine derivatives
18. Synthesis of 3-aminoselenoacrylamides and 3-amino-2-(selenazol-2-yl)acrylonitriles
19. Simple synthesis of selenium-containing 1,2-dihydro-2-oxonicotinates
20. Unusual reaction of thiomalonamide with 5,5-dimethyl-2-phenylaminomethylidene-1,3-cyclohexanedione
21. Mannich reaction in the synthesis of N,S-containing heterocycles. 15*. Multicomponent cascade synthesis of 3,4,6a,7,8,9,10,10a-octahydro-2H,6H-pyrimido[4',5':4,5]pyrido[2,1-b][1,3,5]thia(selena)-diazine derivatives
22. Regioselective reduction of 2-cyanoprop-2-enethioamides with sodium borohydride
23. Condensed sulfur-containing pyridine systems 3.* Construction of penta- and hexacyclic heterocyclic systems by the cascade reaction of 3-cyanopyridine-2(1H)-thiones and 3-cyano-pyridine-2(1H)-thiolates with 8-chloromethyl-3-methyl-7-(2-oxo-2-phenylethyl)xanthene
24. Oxidation of 2-cyanoprop-2-enethioamides with hydrogen peroxide
25. Synthesis of pyrido[2,1-b][1,3,5]thiadiazines by the aminomethylation of 4-methyl-6-oxo-2-thioxopiperidine-3-carbonitrile
26. Synthesis and reactions of 1,2-bis[3-cyano-4-(2-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]diselane
27. Mannich reaction in the synthesis of N,S-containing heterocycles. 14*. Unexpected formation of thiazolo[3,2-a]pyridines in the aminoalkylation of N-methylmorpholinium 4-aryl-3-cyano-6-oxo-1,4,5,6-tetrahydropyridine-2-thiolates by isobutyraldehyde and primary amines
28. Mannich reaction in the synthesis of N,S-containing heterocycles. 13*. One-pot method for preparing pyrimido[4,3-b]-[1,3,5]thiadiazines by reaction of aldehydes, cyanothioacetamide, formaldehyde, and primary amines
29. Reaction of ethyl 4-aryl-6-bromomethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylates with N-methylmorpholinium 3-cyano-1,4-dihydro- and 3-cyano-1,4,5,6-tetrahydropyridine-2-thiolates
30. Synthesis and properties of triethylammonium 4-aryl(hetaryl)-3,5-dicyano-6-oxo-1,4,5,6-tetrahydro-pyridine-2-selenolates
31. On the regioselectivity of the reaction of cyanothioacetamide with 2-acetylcyclo-hexanone, 2-acetylcyclopentanone, and 2-acetyl-1-(morpholin-4-yl)-1-cycloalkenes
32. New approaches to pyrimido[4,3-b][1,3,5]selenadiazines
33. The Mannich reaction in the synthesis of N,S-containing heterocycles 12. First example of aminomethylation involving 2-thioxonicotinamide derivative: synthesis of 3,5,7,11-tetraazatricyclo[7.3.1.02,7]tridec-2-ene-9-carboxamides
34. The Mannich reaction in the synthesis of N,S-containing heterocycles 11. Synthesis of 3,3′-(1,4-phenylene)-bis(8-aryl-6-oxo-3,4,7,8-tetrahydro-2H,6H-pyrido[2,1-b][1,3,5]thiadiazine-9-carbonitriles)
35. Synthesis and alkylation of triethylammonium 3,5,5-tricyano-4,6-di(2-thienyl)-1,4,5,6-tetrahydro-pyridine-2-selenolate
36. New approach to the synthesis of 4-aryl-3,5-dicyano-6-oxo- 1,4,5,6-tetrahydropyridin-2-olates (salts of guareschi imides)
37. Synthesis of derivatives of 3,5,7,11-tetraaza-tricyclo[7.3.1.02,7]tridec-2-ene-8-selenone
38. The Mannich reaction in the synthesis of N,S-containing heterocycles 9. A new approach to thieno[2,3-d]pyrimidines
39. The Mannich reaction in the synthesis of N,S-containing heterocycles 10. Recyclization of stable cyclic michael adducts, N-methylmorpholinium 6-R-6-hydroxy-1,4,5,6-tetrahydropyridine-2-thiolates, to pyrimido[4,3-b][1,3,5]thiadiazines under conditions of aminomethylation reaction
40. Cascade synthesis of pyrimido-[4,3-b][1,3,5] selenadiazine derivatives
41. New cascade synthesis of pyrido[2',3':4,5]thieno- [2,3-b]pyridine derivatives
42. The Mannich reaction in the synthesis of N,S-containing heterocycles 8. Aminomethylation of 3,5-dicyano-6-oxo-1,4,5,6-tetrahydropyridine-2-thiolates as a method for the synthesis of new functionally substituted 3,7-diazabicyclo[3.3.1]nonane derivatives
43. The Mannich reaction in the synthesis of N,S-containing heterocycles. 7. Effective one-pot synthesis of derivatives of spiro[3,5,7,11-tetraazatricyclo-[7.3.1.02,7]tridec-2-ene-13,4′-piperidine]
44. The Mannich reaction in the synthesis of N,S-containing heterocycles 6. New approaches to the synthesis of pyrimido[4,3-b][1,3,5]thiadiazine derivatives
45. A new stereoselective synthesis of 2-amino-4,5-dihydrothiophene-3-carbonitrile derivatives
46. The Mannich reaction in the synthesis of N,S-containing heterocycles
47. The Mannich reaction in the synthesis of N,S-containing heterocycles 3. Unexpected direction of the aminomethylation reaction of N-methylmorpholinium 1-amino-2,4-dicyano-4-ethoxycarbonyl-1,3-butadienethiolate. One stage cascade synthesis of new derivatives of pyrido[1,2-a][1,3,5]triazine
48. Synthesis of 3-(4-chlorophenyl)oxirane-2,2-dicarboxamide
49. Reaction of diketene with cyanothioacetamide: A convenient and regioselective method for the preparation of new 4(1H)-pyridone derivatives
50. The mannich reaction in the synthesis of N,S-containing heterocycles 4. Aminomethylation of 6-amino-3,5-dicyano-1,4-dihydropyridine-2-thiolates: A convenient regioselective route to 3,5,7,11-tetraazatricyclo[7.3.1.02,7]tridec-2-ene derivatives
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