Dr. Fülöp Ferenc tudományos közleményei és szabadalmai

Dr. Fülöp Ferenc tudományos közleményei és szabadalmai I. Eredeti idegen nyelvő közlemények 1. G. Bernáth, G. Tóth, F. Fülöp, G. Göndös, L. Gera: Synthesis and conformational analysis of deca- and dodecahydropyrido[2,1-b]- quinazolin-11-ones J. Chem. Soc., Perkin Trans. 1, 1979, 1765-1769 Impakt faktor: 1,493 2. G. Bernáth, F. Fülöp, L. Gera, L. Hackler, A. Kálmán, G. Argay, P. Sohár: Synthesis and conformation of stereoisomeric cis- and trans-tetramethylene- and pentamethylenedihydro-1,3-oxazines Tetrahedron, 35, 799-807 (1979) 1,745 3. G. Bernáth, F. Fülöp, I. Hermecz, Z. Mészáros, G. Tóth: Synthesis and reactions of 2,3-cycloalkylene-4H-pyrido[1,2-a]pyrimidin-4-ones J. Heterocyclic Chem., 16, 137-144 (1979) 0,816 4. F. Fülöp, I. Hermecz, Z. Mészáros, G. Dombi, G. Bernáth: Synthesis and reactions of 2,3-disubstituted pyrido[1,2-a]pyrimidin-4-ones J. Heterocyclic Chem., 16, 457-460 (1979) 0,816 5. G. Bernáth, F. Fülöp, G. Jerkovich, P. Sohár: Synthesis and spectroscopical study of cis-trimethylene-, cis- and trans tetra- and pentamethylene-2,3,5,6-tetrahydro-1,3-oxazin-4-ones Acta Chim. Acad. Sci. Hung., 101, 61-72 (1979) 0,415 6. F. Fülöp, G. Bernáth, I. Hermecz, Z. Mészáros: Synthesis of 2,3-trimethylene- and tetramethylene-4-oxo-pyrido[1,2-a]-pyrimidine- 7-, 8- and 9-carboxylic acid derivatives with potential pharmacological activity Acta Phys. Chem. Szeged, 25, 79-84 (1979) 7. F. Fülöp, G. Bernáth: A new route to N-substituted-2-aminomethyl-1-cyclanols Synthesis-Stuttgart, 1981, 628-629 1,460 8. G. Bernáth, F. Fülöp, G. Argay, A. Kálmán, P. Sohár: A simple stereospecific synthesis of oxazasteroids Tetrahedron Letters, 22, 3797-3800 (1981) 1,904 9. P. Pflegel, C. Kühmstedt, F. Fülöp, G. Bernáth: Sterische und Substituenteffekte bei der Polarografie von cis und trans-2-phenyltetramethylen-5,6-dihydropyrimidin-4(3h)-onen Pharmazie, 36, 863-864 (1981) 0,388 11. G. Argay, A. Kálmán, F. Fülöp, G. Bernáth: Crystal and molecular structure of 2-(p-nitrophenyl)-cis-5,6-tetramethylene-2,3,5,6- tetrahydro-1,3-oxazine and 2-(p-nitrophenyl)-cis-4,5-tetramethylene-2,3,5,6-tetrahydro- 1,3-oxazine Acta Chim. Acad Sci. Hung., 109, 39-49 (1982) 0,398 12. F. Fülöp, K. Simon, G. Tóth, I. Hermecz, Z. Mészáros, G. Bernáth: Synthesis and X-ray analysis of stereoisomeric dodecahydropyrido[2,1-b]quinazolin- 11-ones J. Chem. Soc., Perkin Trans. 1, 1982, 2801-2806 1,195

- 2-13. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Synthesis and conformational studies of 2-oxo- and 2-thioxotetrahydro-1,3-oxazines with condensed skeleton Heterocycles, 19, 1191-1195 (1982) 1,098 14. G. Argay, A. Kálmán, B. Ribár, F. Fülöp, G. Bernáth: The structure of 2-phenyl-2-methyl-cis-5,6-trimethylene-2,3,5,6-tetrahydro- 1,3-oxazin-4-one, C 14 H 17 NO 2 Cryst. Struct. Comm., 11, 959-964 (1982) 0,527 15. G. Bernáth, F. Fülöp, Z. Ecsery, G. Blazsó, E. Minker: Synthese, Konformation und pharmakologische Wirkung einiger stereoisomerer kondensierter 1,3-Oxazin-4-one Pharmazie, 38, 89-92 (1983) 0,464 16. G. Tóth, F. Fülöp, G. Bernáth, K. Simon, I. Hermecz, Z. Mészáros: Conformational analysis of stereoisomeric dodecahydropyrido[2,1-b]-quinazolin- 11-ones J. Chem. Soc., Perkin Trans. 2, 1983, 237-240 1,383 17. F. Fülöp, G. Bernáth, I. Hermecz, Z. Mészáros: Synthesis of 2-methyl-3-ethyl-4-oxo-4H-pyrido[1,2-a]pyrimidinecarboxylic acid derivatives potential drugs Pharmazie, 38, 218-220 (1983) 0,464 18. G. Stájer, E. A. Szabó, F. Fülöp, G. Bernáth, A. Kálmán, G. Argay, P. Sohár: Synthesis and conformational analysis of stereoisomeric 2-oxo- and 2-thioxo-cisand trans-5,6-trimethylene-3,4,5,6-tetrahydro-1,3-oxazines Tetrahedron, 39, 1829-1836 (1983) 1,725 19. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Preparation and steric structure of dihydro-1,3-oxazines, 1,3-oxazin-2-ones and 1,3-oxazine-2-thiones fused with norbornane and norbornene J. Heterocyclic Chem., 20, 1181-1185 (1983) 0,751 20. F. Fülöp, G. Bernáth, J. A. Szabó, G. Dombi: Correct representation of conformational equilibria J. Chem. Educ., 60, 95-96 (1983) 0,271 21. P. Pflegel, C. Kühmstedt, F. Fülöp, G. Bernáth: Polarografie von cis- und trans-2-phenyl-5,6-cycloalkylen-5,6-dihydropyrimidin- 4(3H)-onen Pharmazie, 38, 373-376 (1983) 0,464 22. P. Pflegel, C. Kühmstedt, F. Fülöp, G. Bernáth: Polarografie von cis- und trans-2-(4'-chlorphenyl)-4,5-tetramethylen-4,5-dihydro-6h- 1,3-oxazin und cis- und trans-2-(4'-chlorphenyl)-5,6-tetramethylen-5,6-dihydro-4h- 1,3-oxazin Pharmazie, 38, 841-843 (1983) 0,464 23. F. Fülöp, M. S. A. El-Gharib, A. Sohajda, G. Bernáth, J. Kóbor, G. Dombi: Synthesis of some tetrahydroisoquinoline condensed 1,3-heterocycles Heterocycles, 20, 1325-1329 (1983) 1,002 24. P. Sohár, F. Fülöp, G. Bernáth: Configurations and conformations of cis- and trans-n-methyl- and -N-benzyl-4,5- and -5,6-tetramethylene-tetrahydro-1,3-oxazines Org. Magn. Reson., 22, 527-530 (1984) 0,994 25. P. Pflegel, C. Kühmstedt, F. Fülöp, G. Bernáth: Polarografie von 2,3-Cycloalkylen-4H-pyrido[1,2-a]pyrimidin-4-onen Pharmazie, 39, 106-109 (1984) 0,428

- 3-26. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth: Novel preparation of 6H-1,3-oxazin-6-ones Synthesis-Stuttgart, 1984, 345-346 1,358 27. J. Kóbor, F. Fülöp, M. S. A. El-Gharib, G. Bernáth: Synthesis of 4-substituted-9,10-dialkoxy-1,6,7,11b-tetrahydro-2H-pyrimido [6,1-a]isoquinolin-2-ones J. Heterocyclic Chem., 21, 149-153 (1984) 0,808 28. G. Bernáth, F. Fülöp, A. Kálmán, G. Argay, P. Sohár, I. Pelczer: Connection between the diastereoselectivity and the dominant conformation in the formation of condensed-skeleton 1,3-oxazines. First X-ray diffraction evidence of N-outside conformation Tetrahedron, 40, 3587-3593 (1984) 1,993 29. F. Fülöp, G. Bernáth, G. Argay, A. Kálmán, P. Sohár: Synthesis of cis- and trans-n-methyl- and N-benzyl-4,5- and 5,6-tetramethylenetetrahydro-1,3-oxazines; an X-ray study of N-benzyl-cis-4,5-tetramethylenetetrahydro- 1,3-oxazinium-picrate Tetrahedron, 40, 2053-2060 (1984) 1,993 30. F. Fülöp, G. Bernáth, P. Sohár, I. Pelczer: Synthesis and spectroscopic studies of cis-5,6-trimethylene- and cis and trans-5,6-tetraand pentamethylene-1,3-oxazinan-4-ones J. Chem. Soc., Perkin Trans. 1, 1984, 2043-2048 1,409 31. G. Stájer, L. Mód, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Synthesis and kinetic study on the retrodiene decomposition of norbornene-condensed 1,3-oxazin-4-ones Tetrahedron, 40, 2385-2393 (1984) 1,993 32. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Preparation of methylene-bridged 3,1-benzoxazines, 3,1-benzoxazin-2-ones and 3,1-benzoxazine-2-thiones J. Heterocyclic Chem., 21, 1373-1376 (1984) 0,808 33. G. Bernáth, F. Fülöp: Einige Umwandlungen der Lactamfunktion von stereoisomeren kondensierten 1,3-Oxazin-4-onen Pharmazie, 39, 531-532 (1984) 0,428 34. L. Simon, G. S. Talpas, F. Fülöp, G. Bernáth, P. Sohár: Synthesis of stereoisomeric 1,3-thiazines with condensed skeleton Acta Chim. Hung., 118, 37-42 (1985) 0,336 35. K. Vékey, J. Tamás, F. Fülöp, G. Bernáth: The mass spectra of some condensed skeleton 1,3-oxazin-4-one derivatives J. Heterocyclic Chem., 22, 523-528 (1985) 0,808 36. Á. Kapor, B. Ribár, G. Argay, A. Kálmán, F. Fülöp, G. Bernáth: The molecular structure of 2-phenyl-trans-5,6-tetramethylene-2,3,5,6-tetrahydro-1,3- oxazin-4-one studied by X-ray diffraction and UV spectra Acta Chim. Hung., 118, 103-110 (1985) 0,336 37. J. Pintye, F. Fülöp, G. Bernáth, P. Sohár: Synthesis and conformational studies of cis and trans condensed-skeleton 3-substituted-1,3-oxazine-2,4-diones Monats. Chem., 116, 857-868 (1985) 0,766 38. L. Simon, G. S. Talpas, F. Fülöp, G. Bernáth: Preparation of cis-2-(alkylaminomethyl)- and (aralkylamino-methyl)-1-cyclanols from olefine via the 5,6-dihydro-4H-1,3-oxazine derivatives Acta Chim. Hung., 118, 139-145 (1985) 0,336

- 4-39. A. Perjéssy, F. Fülöp, G. Bernáth: The C=O stretching frequencies and transmission of substituent effects in 5,6-polymethylene-2,3,5,6-tetrahydro-1,3-oxazin-4-one derivatives J. Heterocyclic Chem., 22, 377-379 (1985) 0,609 40. G. Bernáth, G. Stájer, A. E. Szabó, F. Fülöp, P. Sohár: Preparation and conformational study of partially saturated 3,1-benzoxazines, 3,1-benzoxazin-2-ones and 3,1-benzoxazine-2-thiones Tetrahedron, 41, 1353-1365 (1985) 1,974 41. K. Pihlaja, J. Mattinen, G. Bernáth, F. Fülöp: Are the stereoisomeric 2-(p-nitrophenyl)-4,5- and 5,6-tetramethylenetetrahydro- 1,3-oxazines conformationally homogeneous? A 400 MHz 1 H NMR study Acta Chim. Hung., 118, 187-189 (1985) 0,336 42. F. Fülöp, G. Stájer, G. Bernáth, P. Sohár: Synthesis and steric structure of stereoisomeric N-substituted tetrahydro- 1,3-oxazines fused with norbornane or norbornene Tetrahedron, 41, 5159-5168 (1985) 1,974 43. F. Fülöp, G. Bernáth, P. Sohár: Synthesis of stereoisomeric condensed-skeleton-2-imino-substituted 1,3-oxazines Tetrahedron, 41, 5981-5988 (1985) 1,974 44. F. Fülöp, G. Bernáth: Facile dehydrogenation and an unexpected catalytic hydrogen transfer reaction of 1,2,5,6,7,8-hexahydroquinazolin-4(3H)-ones Heterocycles, 23, 3095-3098 (1985) 1,107 45. F. Fülöp, G. Bernáth.: A novel preparation of 5,6,7,8-tetrahydroquinazolin-4(3H)-ones Synthesis-Stuttgart, 1985, 1148-1149 1.301 46. F. Fülöp, G. Csirinyi, G. Bernáth, J. A. Szabó: An efficient method for the preparation of 2-thioxotetrahydro-1,3-oxazines Synthesis-Stuttgart, 1985, 1149-1151 1.301 47. K. Pihlaja, J. Mattinen, G. Bernáth, F. Fülöp: A 1 H and 13 C NMR conformational study of cis- and trans-annelated 2-p-nitrophenyl- 4,5- and 5,6-tetramethyleneperhydro- and 2-p-chlorophenyl-4,5-tetramethylenedihydro- 1,3-oxazines Magn. Reson. Chem., 24, 145-149 (1986) 1,314 48. K. Simon, I. Hermecz, Z. Mészáros, F. Fülöp, G. Bernáth, G. Tóth, G. Reck: Synthesis and X-ray analysis of 4,8-dimethylperhydrocyclo-penta[d]pyrido[1,2-a]- pyrimidin-10-one diastereoisomers J. Chem. Soc., Perkin Trans. 2, 1986, 551-556 1,198 49. F. Fülöp, G. Csirinyi, S. Szalma, G. Bernáth: An unusual ring-opening reaction of 2-methylthio-3,1-perhydrobenzoxazines. A comparative study of the 3,1 and 1,3 isomers Tetrahedron, 42, 2345-2350 (1986) 2,031 50 F. Fülöp, G. Bernáth, I. Pelczer: Stereospecific one-pot synthesis of a new 6,11-dioxa-7-aza-D-homosteroid ring system Tetrahedron Lett., 27, 2517-2518 (1986) 2,158 51. H. P. Richter, P. Pflegel, F. Fülöp, G. Bernáth: Präparative Elektrolyse von cis- und trans-2-(4-chlorphenyl)-4,5-tetramethylen- 4,5-dihydro-6H-1,3-oxazin Pharmazie, 41, 432 (1986) 0,453

- 5-52. G. Bernáth, J. Kóbor, F. Fülöp, P. Sohár, G. Argay, A. Kálmán: Synthesis and NMR and X-ray study of 1-substituted azeto[2,1-a]isoquinoline diastereomers Tetrahedron, 42, 5139-5148 (1986) 2,031 53. J. Kóbor, F. Fülöp, G. Bernáth: A simple efficient synthesis of a new, versatile tetrahydroisoquinoline-1,3-aminoalcohol synthon Heterocycles, 24, 2227-2231 (1986) 1,021 54. F. Fülöp, K. Pihlaja, J. Mattinen, G. Bernáth: A new aspect of the Leuckart reaction: Synthesis of 1-methyl and/or 3-hydroxymethyl- 1,3-heterocycles Tetrahedron Letters, 28, 115-116 (1987) 2,018 55. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Synthesis of methylene-bridged partially saturated quinazolines Chem. Ber., 120, 259-264 (1987) 1,300 56. I. Huber, F. Fülöp, G. Dombi, G. Bernáth, I. Hermecz, Z. Mészáros: Synthesis of a new ring system: dipyrido[1,2-a:4,3-d]pyrimidin-11-one derivatives J. Chem. Soc., Perkin Trans. 1, 1987, 909-912 1,187 57. G. Bernáth, F. Fülöp, G. Csirinyi, S. Szalma: Synthesis of stereoisomeric 2-ethylimino-3,1-perhydrobenzoxazines and benzothiazines Monats. Chem., 118, 503-509 (1987) 0,653 58. F. Fülöp, I. Huber, G. Bernáth: A simple route to N-substituted-cis- and trans-2-hydroxymethylcyclo-alkylamines and related alicyclic 1,3-aminoalcohols Acta Chim. Hung., 124, 667-670 (1987) 0,213 58. P. Sohár, G. Stájer, A. E. Szabó, F. Fülöp, J. Szunyog, G. Bernáth: Preparation and n.m.r. study of norbornane/norbornene fused 2-phenylimino-1,3- oxazines and thiazines J. Chem. Soc., Perkin Trans. 2, 1987, 599-605 1,024 60. F. Fülöp, K. Pihlaja, G. Bernáth: A simple synthesis of condensed N-methylsubstituted 1,2-oxazines Acta Chem. Scand., B41, 147-149 (1987) 1,074 61. F. Fülöp, K. Pihlaja, J. Mattinen, G. Bernáth: Synthesis and ring-chain tautomerism of stereoisomeric 1,3-oxazines condensed with the cyclopentane ring Tetrahedron, 43, 1863-1869 (1987) 1,710 62. F. Fülöp, I. Huber, G. Dombi, G. Bernáth: Synthesis of partially saturated dipirido[1,2-a:4,3-a]pyrimidin-11-ones via catalytic hydrogen transfer reaction Tetrahedron, 43, 1157-1160 (1987) 1,710 63. J. Kóbor, F. Fülöp, G. Bernáth, P. Sohár: Synthesis and stereochemical investigation of cis- and trans-1-subsituted-7,8 dimethoxy-1,4,5,9b-tetrahydro-2h-azeto[2,1-a]isoquinolines Tetrahedron, 43, 1887-1894 (1987) 1,710 64. H. P. Richter, F. Fülöp, P. Pflegel, G. Bernáth: Polarografie von cis- und trans-3-methyl-2-phenylimino-4,5-tetramethylene-3,4,5,6- tetrahydro-1,3-oxazin, cis- und trans-3-methyl-2-phenylimino-4,5-tetramethylen- 3,4,5,6-tetrahydro-1,3-thiazin Pharmazie, 42, 270-271 (1987) 0,350 65. K. Pihlaja, F. Fülöp, G. Mattinen, G. Bernáth: A rapid one pot synthesis of stereoisomeric (2-substituted)-aminocyclohexane

- 6 - carboxamides Acta Chem. Scand., B41, 228-231 (1987) 1,074 66. F. Fülöp, K. Pihlaja, J. Mattinen, G. Bernáth: The ring-chain tautomerism of 1,3-oxazines J. Org. Chem., 52, 3821-3825 (1987) 2,056 67. H. P. Richter, F. Fülöp, G. Stájer, P. Pflegel, G. Bernáth: Zum Mechanismus der elektrochemischen Reduction partiell gesättigter bicyclisher 2-phenylsubstituerte 1,3-Oxazinderivate Pharmazie, 42, 601-605 (1987) 0,350 68. G. Bernáth, F. Fülöp, P. Sohár: Synthesis and steric structures of perhydro-4,1-benzoxazepin-2-ones Tetrahedron, 43, 4359-4366 (1987) 1,710 69. F. Fülöp, K. Pihlaja, J. Mattinen, G. Bernáth: Synthesis of stereoisomeric 2,2-disubstituted-5,6-tri- and 5,6-tetramethylenetetrahydro- 1,3-oxazin-4-ones Tetrahedron, 43, 4565-4568 (1987) 1,710 70. F. Fülöp, G. Bernáth, K. Pihlaja, J. Mattinen, G. Argay, A. Kálmán: Synthesis and steric structures of the stereoisomeric-2-p-nitrophenyl perhydroquinazolin-4-ones Tetrahedron, 43, 4731-4736 (1987) 1,710 71. A. Kálmán, G. Argay, F. Fülöp, G. Bernáth: On the tautomerism and conformational characteristics of 2-phenylimino-3,1- perhydrobenzoxazines and analogous benzothiazines, an X-ray study J. Mol. Struct., 161, 125-138 (1987) 1,503 72. A. Pricken, F. Fülöp, P. Pflegel, G. Bernáth: Preparative Elektrolyse partiell hydrierter 2H-Pyrimido[6,1-a]isochinoline Pharmazie, 42, 739-740 (1987) 0,350 73. H. P. Richter, F. Fülöp, P. Pflegel, G. Bernáth: Polarografie partiell hydrierter Oxazolo-, 1,3-Oxazino- und 1,3-Thiazino[4,3-a}- isochinoline Pharmazie, 42, 858-859 (1987) 0,350 74. I. Huber, F. Fülöp, G. Bernáth, I. Hermecz: Synthesis of 2-substituted 2-azapyracridone derivatives J. Heterocyclic Chem., 24, 1473-1476 (1987) 0,563 75. F. Fülöp, L. Lázár, I. Pelczer, G. Bernáth: One-pot synthesis of tetracyclic benzoxazines. Scope and limitations Tetrahedron, 44, 2993-2996 (1988) 1,756 76. F. Fülöp, G. Bernáth, G. Csirinyi: Synthesis of stereoisomeric 2-phenylimino-3,1-perhydrobenzoxazines and 3,1-perhydrobenzothiazines Org. Prep. Proc. Int., 20, 73-82 (1988) 0,451 77. F. Fülöp, G. Csirinyi, G. Bernáth: Synthesis of condensed-skeleton cis- and trans-2-phenylimino- and 2-methyliminotetrahydro-1,3-thiazines and 1,3-oxazines Acta Chim. Hung., 125, 193-199 (1988) 0,379 78. K. Pihlaja, P. Vainiotalo, F. Fülöp, G. Bernáth: Stereochemistry and the mass spectra of some 1,3- and 3,1-perhydrobenzoxazines Rapid Comm. Mass. Spectr., 2, 229-232 (1988) 79. F. Fülöp, J. Mattinen, K. Pihlaja: Direct NMR spectroscopic proof of the ring-chain tautomerism in the thiazolidine

- 7 - system Tetrahedron Lett., 29, 5427-5428 (1988) 2,080 80. B. Ribár, A. Kapor, A. Kálmán, G. Argay, F. Fülöp, G. Bernáth: X-ray study of the hetero ring flexibility in 5,6-tri-, 5,6-tetra- and 5,6-pentamethylene- 2,3,5,6-tetrahydro-1,3-oxazin-4-ones J. Mol. Struct., 192, 125-139 (1989) 0,883 81. F. Fülöp, G. Bernáth, J. Mattinen, K. Pihlaja: Ring-chain tautomerism of 1,3-oxazolidines prepared from norephedrine and norpseudoephedrine Tetrahedron, 45, 4317-4324 (1989) 1,719 82. A. Pricken, F. Fülöp, P. Pflegel und G. Bernáth: Mikrocoulometrische und preparative Elektrolyse von trans- und cis-decahydropyrido[2,1-b]chinazolin-11-on Pharmazie, 44, 454-455 (1989) 0,384 83. P. Vainiotalo, F. Fülöp, G. Bernáth, K. Pihlaja: Intramolecular cyclization reactions of some 2-N-phenyliminoperhydro- 1,3-oxazines in the mass spectrometer J. Heterocyclic Chem., 26, 1453-1459 (1989) 0.551 84. A. Pricken, F. Fülöp, P. Pflegel, G. Bernáth: Untersuchungen zu Zusammenhängen zwischen Struktur und polarographischer Reaktivität sowie zur Stabilität partiell hydrierter 2H-Pyrimido[6,1-a]isochinolinderivate Pharmazie, 44, 694-697 (1989) 0,384 85. H. Hönig, P. Seufer-Wasserthal, F. Fülöp: Enzymatic resolutions of cyclic amino alcohol precursors J. Chem. Soc., Perkin Trans. 1, 1989, 2341-2345 1,253 86. F. Fülöp, L. Lázár, M. S. El-Gharib, G. Bernáth: Synthesis of 1,5,6,10b-tetrahydro-1,2,4-triazolo[3,4-a]isoquinolines Pharmazie, 45, 60-61 (1990) 0,379 87. F. Fülöp, I. Huber, G. Bernáth, G. Tóth, A. Pricken, P. Pflegel: Synthesis and reductions of cis- and trans-1,4,4a,6,7,8,9,11a-octa-hydropyrido[2,1-b]- quinazolin-11-one Pharmazie, 45, 109-110 (1990) 0,379 88. P. Vainiotalo, F. Fülöp, G. Stájer, G. Bernáth, K. Pihlaja: Mass spectral study of some stereoisomeric 2-thioxo and 2-oxoperhydro-1,3- and 3,1-benzoxazines Acta Chem. Scand., 44, 165-169 (1990) 0,799 89. F. Fülöp, G. Bernáth, M. S. El-Gharib, J. Kóbor, P. Sohár, I. Pelczer, G. Argay, A. Kálmán: Synthesis and stereochemistry of stereoisomeric 1,3-oxazino- and 1,3-thiazino[4,3-a]- isoquinolines Chem. Ber., 123, 803-809 (1990) 1,499 90. A. Parkkinen, F. Fülöp, K. Pihlaja: Formation of 3,1-perhydrobenzoaxazines and their N-methyl derivatives. The effects of epimerization and temperature Acta Chem. Scand., 44, 364-367 (1990) 0,799 91. P. Vainiotalo, S. Roukanen, F. Fülöp, K. Pihlaja: Ring-chain tautomerism of 1,3-oxazolidines in gas phase Tetrahedron, 46, 3683-3692 (1990) 1,907 92. K. Pihlaja, L. Lötjönen, F. Fülöp, G. Bernáth, P. Vainiotalo: Electron ionization mass spectra of some cyclohexane fused 2-N-phenyl

- 8 - iminoperhydro-1,3-oxazines and related thiazines Rapid Commun. Mass Spectrom., 4, 279-282 (1990) 93. A. Pricken, G. Stájer, A. E. Szabó, F. Fülöp, P. Pflegel, G. Bernáth: Polarographie und Mechanismus der elektrochemischen Reduktion von cisund trans-tetrahydro-4(3h)-chinazolinonen Pharmazie, 45, 568-571 (1990) 0,379 94. F. Fülöp, É. Semega, G. Dombi, G. Bernáth: Synthesis of 2-hydroxycycloalkyl-substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles J. Heterocyclic Chem., 27, 951-955 (1990) 0,553 95. F. Fülöp, É. Semega, G. Bernáth, P. Sohár: 3,4-Disubstituted 1,6,7,11b-tetrahydropyrimido[6,1-a]isoquinolin-2-ones J. Heterocyclic Chem., 27, 957-962 (1990) 0.553 96. L. Lázár, F. Fülöp, G. Dombi, G. Bernáth, G. Argay, A. Kálmán: Preparation and conformational analysis of stereosomeric 1,6,7,11b-tetrahydro- 2H-1,3-oxazino[4,3-a]isoquinolin-4-one derivatives Tetrahedron, 46, 4039-4048 (1990) 1,907 97. F. Fülöp, J. Mattinen, K. Pihlaja: Ring-chain tautomerism in 1,3-thiazolidines Tetrahedron, 46, 6545-6552 (1990) 1,907 98. A. Pricken, P. Franke, I. Huber, F. Fülöp, P. Pflegel, G. Bernáth: Polarographie und Mechanismus der elektrochemischen Reduktion von cis- und trans- Octahydro-pyrido[2,1-b]chinazolin-11-onen bzw. -pyrrolo[2,1-b]chinazolin-11-onen Pharmazie, 45, 740-742 (1990) 0,379 99. F. Fülöp, I. Huber, G. Bernáth, H. Hönig, P. Seufer-Wasserthal: trans-2-cyanocycloalkanols: Versatile synthons for alicyclic cis- and trans- 1,3-aminoalcohols Synthesis-Stuttgart, 1991, 43-46 1,460 100. A. Parkkinen, F. Fülöp, K. Pihlaja: Formation of 1,3-perhydrobenzoxazines and their N-methyl derivatives. A comparative study Tetrahedron, 47, 2229-2236 (1991) 1,888 101 F. Fülöp, K. Pihlaja: Preparation of 1-(o-aminobenzoyl)-1-methylhydrazines Org. Prep. Proc. Int., 22, 377-378 (1991) 0,401 102. I. Huber, F. Fülöp, J. Kóbor, G. Bernáth: Symple methods for preparation of N-alkyl tetrahydroisoquinoline 1,3-aminoalcohols Acta Chim. Hung., 128, 375-379 (1991) 0,234 103. K. Pihlaja, S. Liukko-Sipi, F. Fülöp, G. Bernáth, P. Vainiotalo: EI Fragmentations of some N-substituted 2-N-methylimino-4,5-tetramethyleneperhydro- 3,1-oxazines and related thiazines Rapid Commun. Mass Spectrom., 5, 230-233 (1991) 104. K. Pihlaja, A. Parkkinen, F. Fülöp, J. Mattinen, G. Bernáth: Ring-chain tautomerism and three- to four-component equilibria in fused-ring tetrahydro-1,3-oxazines Tetrahedron, 47, 4031-4038 (1991) 1,888 105. P. Vainiotalo, F. Fülöp, K. Pihlaja: Gas-phase ring-chain tautomerism in 1,3-oxazines. Does it exist? Org. Mass Spectrom., 26, 438-442 (1991) 1,304

- 9-106. Bernáth, F. Fülöp, J. Árva, J. Kóbor, P. Sohár: Synthesis and steric structure of quaternary azeto[2,1-a]isoquinoline stereoisomers J. Heterocyclic Chem., 28, 353-357 (1991) 0,499 107. F. Fülöp, M. Dahlqvist, K. Pihlaja: Electrophilic aromatic reactivities via ring-chain tautomerism of tetrahydro-1,3-oxazines and 1,3-oxazolidines Acta Chem. Scand., 45, 273-275 (1991) 0,838 108. P. Vainiotalo, T. Partanen, F. Fülöp, G. Bernáth, K. Pihlaja: Effects of N-substitution on the fragmentation of some cyclohexene fused 2-N-phenyliminoperhydro-3,1-oxazines and related thiazines J. Am. Soc. Mass Spectrom., 125-129 (1991) 2,836 109. F. Fülöp, I. Huber, Á. Szabó, G. Bernáth, P. Sohár: Synthesis of pyrimido[2,1-b]thiazin-6-one by retro Diels-Alder reaction Tetrahedron, 47, 7673-7676 (1991) 1,888 110. L. Lázár, F. Fülöp, G. Bernáth, A. Kálmán, G. Argay: Synthesis and stereochemistry of stereoisomeric 1,3-benzoxazino-1,3- and -3,1-benzoxazines J. Heterocyclic Chem., 28, 1213-1218 (1991) 0,499 111. Á. Kapor, F. Fülöp, G. Bernáth: Structure of trans-perhydro-4,1-benzoxazepin-2-one Acta Cryst., C47, 2463-2465 (1991) 0,459 112. Á. Kapor, B. Ribár, C. Mészáros, F. Fülöp, G. Bernáth: Stereochemical studies, 124. Structures of (I) cis- and (II) trans-decahydroquinazoline- 2-spiro-1'-cyclohexan-4-one Acta Cryst., C47, 2632-2635 (1991) 0,459 113. A. Pricken, F. Fülöp, P. Pflegel, G. Bernáth: Polarographie und Mechanismus der elektrochemischen Reduktion von Tetrahydro- 4(3H)-chinazolinonen Pharmazie, 46, 846-848 (1991) 0,344 114. F. Fülöp, É. Semega, G. Bernáth, P. Sohár: Synthesis and stereochemistry of 2,3-disubstituted 2,5,6,10b-tetrahydroimidazo [5,1-a]isoquinolin-1-ones Pharmazie, 47, 168-171 (1992) 0,309 115. I. Huber, F. Fülöp, J. Lázár, G. Bernáth, G. Tóth: Dehydrogenation of 6-azaquinazoline derivatives. Formation of unexpected quinonediimine intermediates J. Chem. Soc., Perkin Trans. 1, 1992, 157-161 1,490 116. F. Fülöp, M. Simeonov, K. Pihlaja: Formation of 1,2-dihydroquinazolin-4(3H)-ones. Reinvestigation of a recently reported 1,3,4-benzotriazepinone synthesis Tetrahedron, 48, 531-538 (1992) 1,830 117. P. Sohár, L. Lázár, F. Fülöp, G. Bernáth, J.Kóbor: Synthesis and conformational analysis of stereoisomeric 1- and 2-methyl-2H,4H- 1,6,7,11b-tetrahydro-1,3-oxazino[4,3-a]isoquinolines Tetrahedron, 48, 4937-4948 (1992) 1,830 118. I. Huber, Á. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Synthesis and structure determination of alicycle-fused thiazoloand thiazino[2,3-b]quinazolones and cycloalkylimino-3(n)-thiazolinylthiazolidines Tetrahedron, 48, 4949-4956 (1992) 1,830 119. F. Fülöp, K. Pihlaja, I. Huber, G. Bernáth, B. Ribár, G. Argay, A. Kálmán: Synthesis, reactions and stereochemistry of 3-hydroxymethyl-2,3-dihydro-4H-1,3-

- 10 - benzoxazin-4-one and some perhydrogenated derivatives Tetrahedron, 48, 4963-4970 (1992) 1,830 120. F. G. Riddell, S. Arumugam, F. Fülöp, G. Bernáth: A solid-state NMR study of ring-chain tautomerism in 1,3-O,N-heterocycles Tetrahedron, 48, 4979-4984 (1992) 1,830 121. F. Fülöp, K. Pihlaja, K. Neuvonen, G. Bernáth, G. Argay, A. Kálmán: Ring-chain tautomerism in oxazolidines J. Org. Chem., 58, 1967-1969 (1993) 3,235 122. G. Stájer, A. E. Szabó, F. Fülöp, G. Bernáth, P. Sohár: Structures of saturated azeto[1,2-a][3,1]- and azeto[2,1-b][1,3]benzoxazines prepared by addition of chloroacetyl chlorides to cyclohexane-condensed dihydrooxazines Heterocycles, 36, 995-1003 (1993) 0,989 123. L. Lázár, F. Fülöp, G. Bernáth, J. Mattinen: A simple synthesis of 1-hydroxyalkyl-1,2,3,4-tetrahydroisoquinolines Org. Prep. Proc. Int., 25, 91-97 (1993) 0,807 124. E. Mäki, K. Pihlaja, I. Huber, F. Fülöp, G. Bernáth, P. Vainiotalo: Electron impact ionization mass spectra of some substituted dipyrido- [1,2-a:4,3-d]pyrimidinones Org. Mass. Spectrom., 28, 18-22 (1993) 1,815 125. P. Vainiotalo, P.-L. Lehtelä, F. Fülöp, G. Bernáth, L. Vuorilehto, K. Pihlaja: Electronic effects in the electron ionization fragmentations of 2-aryl-substituted octahydro-1,3- and 3,1-benzoxazines Rapid Commun. Mass Spectrom., 7, 465-469 (1993) 2,732 126. F. Fülöp, L. Lázár, G. Bernáth, R. Sillanpää, K. Pihlaja: Substituent effects on the ring-chain tautomerism of 1,3-oxazines Tetrahedron, 49, 2115-2122 (1993) 2,128 127. F. Fülöp, K. Pihlaja: Ring-chain tautomerism of oxazolidines derived from serine esters Tetrahedron, 49, 6701-6706 (1993) 2,128 128. J. Mattinen, K. Pihlaja, F. Fülöp, G. Bernáth: 1 H and 13 C NMR structural study of 2-N-methylimino-cis- and trans-perhydro- 3,1-benzoxazines and -benzothiazines Saturated Heterocycles, (A Magyar Tudományos Akadémia Szegedi Területi Bizottsága Kiadványai sorozatban) 3. kötet, 133-138 (1993) 129. P. Vainiotalo, S. Ronkanen, P. L. Lehtelä, R. Smolander, F. Fülöp, K. Pihlaja Gas-phase ring-chain tautomerism of oxazolidines Saturated Heterocycles, (A Magyar Tudományos Akadémia Szegedi Területi Bizottsága Kiadványai sorozatban) 3. kötet, 87-94 (1993) 130. F. Fülöp, G. Bernáth, R. Spitzner, J. Mattinen, K. Pihlaja: Synthesis and ring-chain tautomerism of stereoisomeric 1,3-oxazines condensed with a tert-butyl-substituted cyclopentane ring Acta Chim. Hung. - Models in Chemistry, 131, 435-443 (1994) 0,445 131. G. Bernáth, Z. Szakonyi, F. Fülöp, P. Sohár: Synthesis of tert-butylcyclopentane-fused 1,3-oxazines and 1,3-thiazines Heterocycles, 37, 1687-1694 (1994) 0,982 132. J. Kóbor, J. Lázár, F. Fülöp, G. Bernáth: Synthesis of 1-cyclohexyl-substituted isoquinoline derivatives J. Heterocyclic Chem., 31, 825-828 (1994) 0,602 133. J. Kóbor, P. Sohár, F. Fülöp: Synthesis and stereochemical study of cis- and trans-1-(3'-substituted-propyl)-

- 11 - benzo[a]quinolizidine Tetrahedron, 50, 4873-4886 (1994) 2,277 134. A. Kálmán, G. Argay, F. Fülöp, G. Bernáth: Dimer formation with crystallographic two-fold axis: structure of (1R*,2S*)- 2-(p-nitrobenzylideneamino)-1-phenylpropanol J. Mol. Struct., 328, 237-243 (1994) 0,837 135. F. Fülöp, R. Sillanpää, M. Dahlquist, K. Pihlaja, P. Vainiotalo: Ring-chain tautomerism and crystal structure of some 1,3-oxazacyclanes, and the electrophilic substituent constants for some heteroaryl groups in solution and in the gas-phase Heterocycles, 37, 1093-1107 (1994) 0,982 136. K. Neuvonen, F. Fülöp, H. Neuvonen, K. Pihlaja: A correlation analysis of C=N 13 C chemical shifts. The use of substituted benzaldehyde (2-hydroxycyclohexyl)hydrazones as probes J. Org. Chem., 59, 5895-5900 (1994) 3,193 137. E. Mäki, F. Fülöp, G. Bernáth, K. Pihlaja: Electron ionization mass spectra of some fused pyrimidinone derivatives Rapid Commun. Mass Spectrom., 8, 535-538 (1994) 2,484 138. L. Simon, S. G. Talpas, F. Fülöp, G. Bernáth, G. Argay, A. Kálmán, P. Sohár: Synthesis, structure and ring opening of trans-perhydro-1,4-benzoxazepin- 3-one derivatives J. Heterocyclic Chem., 32, 161-167 (1995) 0,615 139. F. Fülöp, H. Wamhoff, P. Sohár: Imidazo[1',2':3,4]pyrimido[6,1-a]isoquinoline and pyrimido[1',2':3,4]pyrimido [6,1-a]- isoquinoline ring systems by tandem cyclization Synthesis-Stuttgart, 1995, 863-867 2,031 140. F. G. Riddell, M. Rogerson, F. Fülöp, G. Bernáth: Solid-state NMR study of the kinetics of a ring chain tautomerism in a tetrahydro- 1,3-oxazine derivative Magn. Reson. Chem., 33, 600-602 (1995) 1,192 141. F. G. Riddell, G. Bernáth, F. Fülöp: Phase dependence of conformational motions in solids. The tert-butyl rotation in (1R *,2S *,5R * )-5-tert-butyl-2-hydroxycyclopentanecarboxylic acid J. Am. Chem. Soc., 117, 2327-2335 (1995) 5,253 142. K. Joutsiniemi, P. Vainiotalo, L. Lázár, F. Fülöp, G. Bernáth: Electron ionization mass spectra of some substituted stereoisomeric 1,6,7,11btetrahydro-2H,4H[1,3]oxazino[4,3-a]isoquinolines and 1,6,7,11b-tetrahydro- 2H[1,3]oxazino[4,3-a]isoquinolin-4-ones Rapid Commun. Mass Spectrom., 9, 998-1002 (1995) 2,515 143. K. Joutsiniemi, P. Vainiotalo, K. Pihlaja, L. Lázár, F. Fülöp, G. Bernáth: Electron ionization mass spectrometry of some substituted, stereoisomeric, partly saturated 1,3- and 3,1-benzoxazino-1,3-benzoxazines Rapid Commun. Mass Spectrom., 9, 1035-1037 (1995) 2,515 144. P. Oksman, K. Pihlaja, F. Fülöp, G. Bernáth: Fragmentation and intramolecular cyclization in cyclopentane-4,5-fused 2-Nphenyliminoperhydro-1,3-oxazines and related thiazines under electron impact ionization Rapid Commun. Mass Spectrom., 9, 615-624 (1995) 2,515 145. M. Pykäläinen, P. Vainiotalo, L. Lázár, F. Fülöp, G. Bernáth: Tautomerism of some amino diol and amino alcohol derivatives in the gas phase Rapid Commun. Mass Spectrom., 9, 916-920 (1995) 2,515

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