Szerző: " Vainiotalo Pirjo"

Vainiotalo Pirjo; Forró Enikő; Fülöp Ferenc: Mass spectral behaviour of some octahydro-1,3- and -3,1-benzoxazines with a heteroaryl-substituted phenyl substituent at ring position 2+.
ACH-MODELS IN CHEMISTRY, 135 (4). pp. 653-661. ISSN 1217-8969 (1998)

Pykäläinen Mika; Vainiotalo Pirjo; Lázár László; Fülöp Ferenc; Bernáth Gábor: Tautomerism of some amino diol and amino alcohol derivatives in the gas phase.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 9 (10). pp. 916-920. ISSN 0951-4198 (1995)

Partanen Tuula; Vainiotalo Pirjo; Stájer Géza; Bernáth Gábor; Pihlaja Kalevi: Electron and chemical-ionization mass spectrometry in stereochemical differentiation of some 1,3-amino alcohols.
ORGANIC MASS SPECTROMETRY, 29 (3). pp. 126-132. ISSN 0030-493X (1994)

Fülöp Ferenc; Sillanpää Reijo; Dahlqvist Martti; Pihlaja Kalevi; Vainiotalo Pirjo: 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 (2). pp. 1093-1107. ISSN 0385-5414 (1994)

Maki Esa; Pihlaja Kalevi; Huber Imre; Fülöp Ferenc; Bernáth Gábor; Vainiotalo Pirjo: Electron impact ionization mass spectra of some substituted dipyrido[1,2-a:4,3-d]pyrimidinones.
ORGANIC MASS SPECTROMETRY, 28 (1). pp. 18-22. ISSN 0030-493X (1993)

Vainiotalo Pirjo; Lehtela Pirjo-Liisa; Fülöp Ferenc; Bernáth Gábor; Vuorilehto Lauri; Pihlaja Kalevi: Electronic effects in the electron ionization fragmentations of 2‐aryl substituted octahydro‐1,3‐ and ‐3,1‐benzoxazines.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 7 (6). pp. 465-469. ISSN 0951-4198 (1993)

Partanen Tuula; Vainiotalo Pirjo; Stájer Géza; Bernáth Gábor; Göndös György; Pihlaja Kalevi: Mass spectral fragmentation reactions of some stereoisomeric cyclic beta-amino acids under electron and chemical ionization.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 7 (12). pp. 1121-1125. ISSN 0951-4198 (1993)

Pihlaja Kalevi; Liukko-Sipi Sirpa; Fülöp Ferenc; Bernáth Gábor; Vainiotalo Pirjo: Electron ionization fragmentations of some N-substituted 2-N-methylimino-4,5-tetramethyleneperhydro-3,1-oxazines and related thiazines.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 5 (5). pp. 230-233. ISSN 0951-4198 (1991)

Vainiotalo Pirjo; Ronkanen Sari; Stájer Géza; Bernáth Gábor; Pihlaja Kalevi: Electron ionization mass spectra of some 4β-phenyl-substituted cycloalkane-cis-fused 1,3-oxazin-2(3H)-ones, -2(3H)-thiones and 1,4-oxazepin-3(4H)-ones.
JOURNAL OF HETEROCYCLIC CHEMISTRY, 28 (2). pp. 253-256. ISSN 0022-152X (1991)

Vainiotalo Pirjo; Fülöp Ferenc; Pihlaja Kalevi: Gas-Phase ring-chain tautomerism in 1,3-oxazines. Does it exist?
ORGANIC MASS SPECTROMETRY, 26 (5). pp. 438-442. ISSN 0030-493X (1991)

Himottu Marja; Pihlaja Kalevi; Stájer Géza; Bernáth Gábor; Vainiotalo Pirjo: Mass spectrometric study of some cycloalkane/ene-condensed 2-thioxo-2,3,5,6-pyrimidin-4(1H)-ones and cycloalkane/ene-condensed 1,3-thiazino[3,2-a]pyrimidinones under electron impact.
ORGANIC MASS SPECTROMETRY, 26 (5). pp. 493-497. ISSN 0030-493X (1991)

Partanen Tuula; Vainiotalo Pirjo; Stájer Géza; Bernáth Gábor; Pihlaja Kalevi: Electron impact and chemical ionization mass spectra of norbornane/ene di-exo and di-endo-fused 1,3-oxazin-2(1H)-ones and 1,3-oxazine-2(1H)-thiones.
ORGANIC MASS SPECTROMETRY, 25 (11). pp. 615-619. ISSN 0030-493X (1990)

Pihlaja Kalevi; Lötjönen Lenita; Fülöp Ferenc; Bernáth Gábor; Vainiotalo Pirjo: Electron ionization mass spectra of some cyclohexane-fused 2-N-phenyliminoperhydro-1,3-oxazines and related thiazines.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 4 (8). pp. 279-282. ISSN 0951-4198 (1990)

Vainiotalo Pirjo; Fülöp Ferenc; Bernáth Gábor; Pihlaja Kalevi: Mass spectrometric intramolecular cyclization reactions of some 2-N-phenyliminoperhydro-1,3-oxazines.
JOURNAL OF HETEROCYCLIC CHEMISTRY, 26 (5). pp. 1453-1459. ISSN 0022-152X; 1943-5193 (1989)

Pihlaja Kalevi; Vainiotalo Pirjo; Fülöp Ferenc; Bernáth Gábor: Stereochemistry and the mass spectra of some 1,3- and 3,1-perhydrobenzoxazines.
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 2 (11). pp. 229-232. ISSN 0951-4198 (1988)

Pihlaja Kalevi; Vainiotalo Pirjo; Bernáth Gábor; Göndös György; Gera Lajos: Electron impact, ammonia and isobutane chemical ionization mass-spectra of n-azabicyclo[t.2.0]alkanes (n=6-9, t=3-6).
FINNISH CHEMICAL LETTERS, 14 (1). pp. 29-35. ISSN 0303-4100 (1987)